CITY OF DOS PALOS
PWSID: CA2410002 · Dos Palos, CA · Serves 7,452 people
According to EPA Safe Drinking Water Information System (SDWIS), CITY OF DOS PALOS (PWSID CA2410002) in Dos Palos, CA is listed as a CWS water system covering about 7,452 people. The same extract lists 44 health-based violation records spanning 2016-2025. Those 44 health-based rows for CITY OF DOS PALOS cover contaminants such as TTHM, CARBON, TOTAL, Total Haloacetic Acids (HAA5); they remain historical EPA registry entries, not a current compliance or drinkability score.
CITY OF DOS PALOS has 44 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 4 distinct EPA contaminant codes appear in this system's record, including TTHM, CARBON, TOTAL, Total Haloacetic Acids (HAA5). Recorded violations span 2016–2025. Day-to-day primacy enforcement for this system runs through the California drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the California state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- CA2410002
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Dos Palos, CA
- Population Served
- 7,452
- Health Violations
- Yes (44)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 39 | 39 |
| CARBON, TOTAL | 3 | 3 |
| Total Haloacetic Acids (HAA5) | 1 | 1 |
| Surface Water Treatment Rule | 1 | 1 |
Violation History (44)
| Contaminant | Health | Date |
|---|---|---|
| TTHM | Yes | Jul 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2023 |
| TTHM | Yes | Apr 1, 2023 |
| TTHM | Yes | Apr 1, 2023 |
| TTHM | Yes | Apr 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Oct 1, 2021 |
| TTHM | Yes | Jul 1, 2021 |
| TTHM | Yes | Apr 1, 2021 |
| TTHM | Yes | Jan 1, 2021 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2021 |
| TTHM | Yes | Oct 1, 2020 |
| CARBON, TOTAL | Yes | Oct 1, 2020 |
| TTHM | Yes | Jul 1, 2020 |
| CARBON, TOTAL | Yes | Jul 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| CARBON, TOTAL | Yes | Apr 1, 2020 |
| TTHM | Yes | Oct 1, 2019 |
| TTHM | Yes | Apr 1, 2019 |
| TTHM | Yes | Jan 1, 2019 |
| TTHM | Yes | Oct 1, 2018 |
| TTHM | Yes | Jul 1, 2018 |
| TTHM | Yes | Apr 1, 2017 |
| TTHM | Yes | Jan 1, 2017 |
| Surface Water Treatment Rule | Yes | Jan 1, 2017 |
| TTHM | Yes | Oct 1, 2016 |
| TTHM | Yes | Jul 1, 2016 |
| TTHM | Yes | Apr 1, 2016 |
| TTHM | Yes | Jan 1, 2016 |
Frequently Asked Questions
What does EPA SDWIS list for CITY OF DOS PALOS?
How many people does CITY OF DOS PALOS serve?
What violations does CITY OF DOS PALOS have?
What contaminants have been found in CITY OF DOS PALOS water?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest CITY OF DOS PALOS on cumulative violation count (44) and EPA-reported population served (7,452). Violation-count peers include WASHINGTON WATER AUTHORITY WWA, CHICOT JUNCTION WATER ASSOC, LITTLE RIVER CO RDA. Population peers include MCCOOK, CITY OF, LAVALETTE PSD, Belle Plaine.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
CITY OF DOS PALOS (CA2410002) is drawn from EPA SDWIS. Nearby county systems in this extract include CITY OF MERCED; CITY OF LOS BANOS; CITY OF ATWATER; CITY OF LIVINGSTON. Health-based rows (44 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.