Public water system record
Town of Wellton
Serves Wellton, Yuma County, AZ · 3,000 people served
Federal records show 55 health-based violations and 169 monitoring/reporting issues for Town of Wellton in the last ten years. The most serious issue in this window was a CARBON, TOTAL violation that EPA lists as archived, not resolved.
System profile
Source water
Surface water
ZIP
85356
EPA system ID
AZ0414022
- Health-based violations, last 10 years
- 55
- Resolved
- 19
- Unresolved
- 0
- Archived by EPA
- 36
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 169
Key facts
- Town of Wellton draws water from 1 well and 1 surface water intake.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.133 mg/L, federal limit 0.08 mg/L (1.7 times the limit), 2021.
- Most recent formal enforcement: compliance order (no penalty) by Arizona, September 2018.
- Record on file since 1981, with 16 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 342 unknown out of 1,685 service lines.
Check whether Town of Wellton serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
CARBON, TOTAL
Treatment technique failure
|
210 | Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.099 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Sep 1, 2025 | Resolved | Yes |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
CARBON, TOTAL
Treatment technique failure
|
210 | Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | May 1, 2025 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | May 1, 2025 | Resolved | Yes |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Apr 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
CARBON, TOTAL
Treatment technique failure
|
210 | Apr 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
CARBON, TOTAL
Treatment technique failure
|
210 | Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Oct 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Sep 1, 2024 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Aug 1, 2024 | Resolved | Yes |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.097 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Jul 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jul 1, 2024 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jun 1, 2024 | Resolved | Yes |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.095 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Apr 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.102 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
220 | Jan 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.096 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Oct 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.104 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
220 | Jul 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jul 1, 2023 | Resolved | Yes |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.085 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Apr 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.121 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
|
220 | Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.123 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
|
220 | Oct 1, 2022 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.096 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Jul 1, 2022 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.112 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
|
220 | Apr 1, 2022 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.115 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
|
220 | Jan 1, 2022 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.124 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
|
220 | Oct 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.099 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Jul 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.131 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
|
220 | Apr 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.133 mg/L, federal limit 0.08 mg/L (1.7 times the limit)
|
220 | Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Oct 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.117 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
|
220 | Jul 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.119 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
|
220 | Apr 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.101 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
220 | Jan 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
CARBON, TOTAL
Treatment technique failure
|
210 | Oct 1, 2019 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.097 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Jul 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
CARBON, TOTAL
Treatment technique failure
|
210 | Jul 1, 2019 | Resolved | No |
|
CARBON, TOTAL
Treatment technique failure
|
210 | Apr 1, 2019 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.093 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Apr 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
CARBON, TOTAL
Treatment technique failure
|
210 | Jan 1, 2019 | Resolved | No |
|
CARBON, TOTAL
Treatment technique failure
|
210 | Oct 1, 2018 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.096 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Oct 1, 2018 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
CARBON, TOTAL
Treatment technique failure
|
210 | Jul 1, 2018 | Resolved | No |
|
CARBON, TOTAL
Treatment technique failure
|
210 | Apr 1, 2018 | Resolved | No |
|
CARBON, TOTAL
Treatment technique failure
|
210 | Jan 1, 2018 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.094 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Jan 1, 2018 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.095 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Oct 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
CARBON, TOTAL
Treatment technique failure
|
210 | Oct 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.093 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Jul 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
CARBON, TOTAL
Treatment technique failure
|
210 | Jul 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.095 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Apr 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.093 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Jan 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.095 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Oct 1, 2016 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Dec 30, 2025 |
Active
Enforcement action in place
|
|
Public Notice
OTHER
|
Nov 23, 2025 | Resolved |
|
Public Notice
OTHER
|
Nov 6, 2025 | Active |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Arsenic
Monitoring and reporting
|
Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2025 | Resolved |
|
Public Notice
OTHER
|
Jul 2, 2025 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Arsenic
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jul 1, 2025 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2025 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
May 1, 2025 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
May 1, 2025 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Apr 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Apr 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Arsenic
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Feb 1, 2025 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Arsenic
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Sep 22, 2024 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Sep 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Aug 30, 2024 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Aug 1, 2024 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jun 30, 2024 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2024 | Resolved |
|
Public Notice
OTHER
|
May 31, 2024 | Resolved |
|
Public Notice
OTHER
|
May 31, 2024 | Resolved |
|
Public Notice
OTHER
|
Nov 8, 2023 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2023 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Nov 1, 2023 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2023 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2023 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
May 1, 2023 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
May 1, 2023 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2023 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2023 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jan 1, 2023 | Resolved |
|
Public Notice
OTHER
|
Dec 4, 2022 | Resolved |
|
Public Notice
OTHER
|
Dec 4, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2022 | Resolved |
|
Arsenic
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Sep 1, 2022 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Sep 1, 2022 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Sep 1, 2022 | Resolved |
|
Public Notice
OTHER
|
Aug 28, 2022 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jun 30, 2022 | Resolved |
|
Public Notice
OTHER
|
Jun 3, 2022 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jun 1, 2022 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2022 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2022 | Resolved |
|
Public Notice
OTHER
|
May 29, 2022 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Arsenic
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Public Notice
OTHER
|
Mar 19, 2022 | Resolved |
|
Public Notice
OTHER
|
Mar 2, 2022 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Mar 1, 2022 | Resolved |
|
Public Notice
OTHER
|
Feb 17, 2022 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jan 1, 2022 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Aug 18, 2021 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Aug 1, 2021 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Aug 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2021 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
May 15, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Feb 19, 2021 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Feb 17, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2021 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Dec 24, 2020 | Resolved |
|
Public Notice
OTHER
|
Dec 19, 2020 | Resolved |
|
Public Notice
OTHER
|
Dec 19, 2020 | Resolved |
|
Public Notice
OTHER
|
Dec 19, 2020 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Dec 1, 2020 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Dec 1, 2020 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2020 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2020 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Sep 29, 2020 | Resolved |
|
Public Notice
OTHER
|
Sep 26, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Apr 11, 2020 | Resolved |
|
Public Notice
OTHER
|
Feb 17, 2020 | Active |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2019 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2019 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2019 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2019 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Sep 1, 2019 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Sep 1, 2019 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Sep 1, 2019 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Sep 1, 2019 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Aug 1, 2019 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Revised Total Coliform Rule
RPT
|
May 1, 2019 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
May 1, 2019 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
May 1, 2019 | Resolved |
|
Public Notice
OTHER
|
May 1, 2019 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Apr 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
RPT
|
Mar 1, 2019 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2019 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jan 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
RPT
|
Nov 1, 2018 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jul 1, 2018 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2018 | Resolved |
|
E. coli
Monitoring and reporting
|
Jun 24, 2018 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jun 1, 2018 | Resolved |
|
E. coli
Monitoring and reporting
|
Apr 15, 2018 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Apr 1, 2018 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
E. coli
Monitoring and reporting
|
Apr 1, 2018 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2018 | Resolved |
|
E. coli
Monitoring and reporting
|
Feb 4, 2018 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Feb 1, 2018 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Feb 1, 2018 | Resolved |
|
E. coli
Monitoring and reporting
|
Jan 7, 2018 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jan 1, 2018 | Resolved |
|
E. coli
Monitoring and reporting
|
Dec 24, 2017 | Resolved |
|
E. coli
Monitoring and reporting
|
Dec 10, 2017 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Nov 3, 2017 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2017 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Sep 1, 2017 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Sep 1, 2017 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Sep 1, 2017 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Aug 1, 2017 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Aug 1, 2017 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Aug 1, 2017 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jul 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
|
Revised Total Coliform Rule
RPT
|
May 1, 2017 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jan 1, 2017 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Dec 1, 2016 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2016 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2016 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2016 | Resolved |
Full record since 1981
EPA's records for Town of Wellton go back to 1981. Before October 19, 2016 they list 16 health-based violations (5 resolved, 11 archived by EPA without a recorded fix) and 209 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 61 |
| 1990s | 0 | 93 |
| 2000s | 0 | 23 |
| 2010 to October 18, 2016 | 16 | 32 |
| October 19, 2016 to 2019 | 18 | 55 |
| 2020s | 36 | 110 |
Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began October 2016, Archived.
Show all 16 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.095 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
Oct 1, 2016 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.102 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
Jul 1, 2016 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Apr 1, 2016 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.099 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
Jan 1, 2016 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
Oct 1, 2015 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.089 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Jul 1, 2015 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.104 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
Apr 1, 2015 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.111 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
|
Jan 1, 2015 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.135 mg/L, federal limit 0.08 mg/L (1.7 times the limit)
|
Oct 1, 2014 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.133 mg/L, federal limit 0.08 mg/L (1.7 times the limit)
|
Jul 1, 2014 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.108 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
|
Apr 1, 2014 | Archived |
|
CARBON, TOTAL
Treatment technique failure
|
Apr 1, 2013 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Oct 1, 2012 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jul 1, 2012 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Apr 1, 2012 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jan 1, 2012 | Resolved |
Enforcement actions
Arizona regulators took 2 formal enforcement actions against Town of Wellton between 2014 and 2018. The most recent was a compliance order (no penalty) in September 2018.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Sep 18, 2018 | Arizona | Compliance order (no penalty) | 53 violations (48 health-based): Total Trihalomethanes (TTHMs), CARBON, TOTAL |
| Jul 14, 2014 | Arizona | Compliance order (no penalty) | 49 violations (39 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5) |
What the violations mean
Total Trihalomethanes (TTHMs)
32 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
CARBON, TOTAL
14 incidentsThe system did not complete a treatment step or action that federal rules require for CARBON, TOTAL (a treatment technique violation).
The utility had to notify customers about each of these violations.
Interim Enhanced Surface Water Treatment Rule
8 incidentsThe system did not meet a filtration or treatment requirement for surface water
Inadequate treatment of surface water can let pathogens such as Cryptosporidium and Giardia through
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Town of Wellton draws water from 1 well and 1 surface water intake.
Annual water quality report
Town of Wellton must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Arizona.
Certified drinking water labs by state EPA guidance for private wells