Public water system record
Usmc Yuma Main System
Serves Yuma, Yuma County, AZ · 8,353 people served
Federal records show 2 health-based violations and 65 monitoring/reporting issues for Usmc Yuma Main System in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 2
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 65
Key facts
- Usmc Yuma Main System draws water from 1 well and 1 surface water intake.
- Record on file since 1981, with 5 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 385 service lines.
Check whether Usmc Yuma Main System 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 |
|---|---|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
140 | May 12, 2024 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | May 12, 2024 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2025 | Resolved |
|
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.
|
|
Revised Total Coliform Rule
RPT
|
Jul 1, 2025 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Mar 1, 2025 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2024 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Public Notice
OTHER
|
Jun 27, 2020 | Resolved |
|
E. coli
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Cryptosporidium
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Turbidity
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
E. coli
Monitoring and reporting
|
Jun 1, 2019 | Resolved |
|
Cryptosporidium
Monitoring and reporting
|
Jun 1, 2019 | Resolved |
|
Turbidity
Monitoring and reporting
|
Jun 1, 2019 | Resolved |
|
E. coli
Monitoring and reporting
|
May 1, 2019 | Resolved |
|
Cryptosporidium
Monitoring and reporting
|
May 1, 2019 | Resolved |
|
Turbidity
Monitoring and reporting
|
May 1, 2019 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
E. coli
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
Cryptosporidium
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
Turbidity
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Oct 1, 2018 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Sep 1, 2018 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2018 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Mar 1, 2018 | Resolved |
|
Styrene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Toluene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Benzene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Dec 1, 2017 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Dec 1, 2017 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2017 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Sep 1, 2017 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Sep 1, 2017 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jun 1, 2017 | Resolved |
|
Revised Total Coliform Rule
RPT
|
May 1, 2017 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Feb 1, 2017 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2016 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2016 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
Full record since 1981
EPA's records for Usmc Yuma Main System go back to 1981. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 171 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 40 |
| 1990s | 0 | 4 |
| 2000s | 5 | 104 |
| 2010 to October 18, 2016 | 0 | 23 |
| October 19, 2016 to 2019 | 0 | 50 |
| 2020s | 2 | 12 |
Most recent health-based violation before October 19, 2016: Total Coliform, began April 2006, Resolved.
Show all 5 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2006 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
Jul 1, 2005 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.089 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Apr 1, 2005 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.085 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Jan 1, 2005 | Resolved |
|
Arsenic
Contaminant limit exceeded
|
Jan 1, 2004 | Resolved |
What the violations mean
Groundwater Rule
2 incidentsThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about each of these violations.
Where the water comes from
Usmc Yuma Main System draws water from 1 well and 1 surface water intake.
Annual water quality report
Usmc Yuma Main System 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