Public water system record
Antelope Water Company
Serves an area of Yuma County, AZ · 163 people served
Federal records show 1 health-based violation and 61 monitoring/reporting issues for Antelope Water Company in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 0
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 61
Key facts
- Antelope Water Company draws water from 1 surface water intake.
- Record on file since 1980, with 1 health-based violation before October 19, 2016.
Check whether Antelope Water Company 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 |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Active | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Oct 17, 2025 | Active |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 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
|
Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 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
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
RPT
|
Jul 1, 2025 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Public Notice
OTHER
|
Dec 20, 2024 | Active |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Active |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jul 1, 2024 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Mar 1, 2024 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Oct 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 |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2023 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2023 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Dec 1, 2022 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Dec 1, 2022 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2022 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2022 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Public Notice
OTHER
|
Aug 21, 2022 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Aug 1, 2022 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Aug 1, 2022 | Resolved |
|
Public Notice
OTHER
|
Mar 2, 2022 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2022 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2022 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Dec 30, 2021 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Nov 9, 2021 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Nov 1, 2021 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Aug 1, 2021 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2021 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Dec 1, 2020 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Dec 1, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2020 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Aug 5, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2020 | Resolved |
|
Public Notice
OTHER
|
May 24, 2020 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2019 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
E. coli
Monitoring and reporting
|
Aug 19, 2018 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jun 1, 2017 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
Full record since 1980
EPA's records for Antelope Water Company go back to 1980. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 215 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 69 |
| 1990s | 0 | 83 |
| 2000s | 1 | 47 |
| 2010 to October 18, 2016 | 0 | 16 |
| October 19, 2016 to 2019 | 0 | 8 |
| 2020s | 1 | 53 |
Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began January 2006, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Jan 1, 2006 | Resolved |
What the violations mean
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
Antelope Water Company draws water from 1 surface water intake.
Annual water quality report
Antelope Water Company 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.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Antelope Water Company for a copy.
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