SAN LUIS HILLS
PWSID: CA2400209 · Los Banos, CA · Serves 779 people
According to EPA Safe Drinking Water Information System (SDWIS), SAN LUIS HILLS (PWSID CA2400209) in Los Banos, CA is listed as a CWS water system covering about 779 people. The same extract lists 51 health-based violation records spanning 2012-2022. Those 51 health-based rows for SAN LUIS HILLS cover contaminants such as CARBON, TOTAL, TTHM; they remain historical EPA registry entries, not a current compliance or drinkability score.
SAN LUIS HILLS has 51 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. 2 distinct EPA contaminant codes appear in this system's record, including CARBON, TOTAL, TTHM. Recorded violations span 2012–2022. 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)
- CA2400209
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Los Banos, CA
- Population Served
- 779
- Health Violations
- Yes (51)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| CARBON, TOTAL | 40 | 40 |
| TTHM | 11 | 11 |
Violation History (51)
| Contaminant | Health | Date |
|---|---|---|
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| CARBON, TOTAL | Yes | Apr 1, 2019 |
| CARBON, TOTAL | Yes | Apr 1, 2019 |
| CARBON, TOTAL | Yes | Oct 1, 2018 |
| CARBON, TOTAL | Yes | Oct 1, 2018 |
| CARBON, TOTAL | Yes | Jul 1, 2018 |
| CARBON, TOTAL | Yes | Jul 1, 2018 |
| CARBON, TOTAL | Yes | Apr 1, 2018 |
| CARBON, TOTAL | Yes | Apr 1, 2018 |
| CARBON, TOTAL | Yes | Jan 1, 2018 |
| CARBON, TOTAL | Yes | Jan 1, 2018 |
| CARBON, TOTAL | Yes | Oct 1, 2017 |
| CARBON, TOTAL | Yes | Oct 1, 2017 |
| CARBON, TOTAL | Yes | Apr 1, 2015 |
| CARBON, TOTAL | Yes | Apr 1, 2015 |
| CARBON, TOTAL | Yes | Jan 1, 2015 |
| CARBON, TOTAL | Yes | Jan 1, 2015 |
| TTHM | Yes | Jan 1, 2015 |
| TTHM | Yes | Jan 1, 2015 |
| TTHM | Yes | Oct 1, 2014 |
| TTHM | Yes | Oct 1, 2014 |
| CARBON, TOTAL | Yes | Oct 1, 2014 |
| CARBON, TOTAL | Yes | Oct 1, 2014 |
| CARBON, TOTAL | Yes | Jul 1, 2014 |
| CARBON, TOTAL | Yes | Jul 1, 2014 |
| CARBON, TOTAL | Yes | Apr 1, 2014 |
| CARBON, TOTAL | Yes | Apr 1, 2014 |
| CARBON, TOTAL | Yes | Jan 1, 2014 |
| CARBON, TOTAL | Yes | Jan 1, 2014 |
| CARBON, TOTAL | Yes | Oct 1, 2013 |
| CARBON, TOTAL | Yes | Oct 1, 2013 |
| CARBON, TOTAL | Yes | Jul 1, 2013 |
| CARBON, TOTAL | Yes | Jul 1, 2013 |
| CARBON, TOTAL | Yes | Apr 1, 2013 |
| CARBON, TOTAL | Yes | Apr 1, 2013 |
| CARBON, TOTAL | Yes | Jan 1, 2013 |
| CARBON, TOTAL | Yes | Jan 1, 2013 |
| CARBON, TOTAL | Yes | Oct 1, 2012 |
| CARBON, TOTAL | Yes | Oct 1, 2012 |
| CARBON, TOTAL | Yes | Jul 1, 2012 |
| CARBON, TOTAL | Yes | Jul 1, 2012 |
| CARBON, TOTAL | Yes | Apr 1, 2012 |
| CARBON, TOTAL | Yes | Apr 1, 2012 |
| CARBON, TOTAL | Yes | Jan 1, 2012 |
| CARBON, TOTAL | Yes | Jan 1, 2012 |
Frequently Asked Questions
What does EPA SDWIS list for SAN LUIS HILLS?
How many people does SAN LUIS HILLS serve?
What violations does SAN LUIS HILLS have?
What contaminants have been found in SAN LUIS HILLS water?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest SAN LUIS HILLS on cumulative violation count (51) and EPA-reported population served (779). Violation-count peers include MOUNT PLEASANT, TOWN OF, GARVIN CO RWD #6 (SW PURCHASE), LAKE LIVINGSTON PINESHADOWS EAST. Population peers include VAN HORNE WATER WORKS, RUTHVEN WATER SUPPLY, MICHINDOH CONFERENCE CENTER.
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
SAN LUIS HILLS (CA2400209) 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 (51 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.