BARTON FLATS WATER SYSTEM
PWSID: CA3601048 · Angelus Oaks, CA · Serves 1,070 people
According to EPA Safe Drinking Water Information System (SDWIS), BARTON FLATS WATER SYSTEM (PWSID CA3601048) in Angelus Oaks, CA is listed as a CWS water system covering about 1,070 people. The same extract lists 5 health-based violation records spanning 2017-2024. Those 5 health-based rows for BARTON FLATS WATER SYSTEM cover contaminants such as Interim Enhanced Surface Water Treatment Rule, LEAD AND COPPER RULE REVISIONS; they remain historical EPA registry entries, not a current compliance or drinkability score.
BARTON FLATS WATER SYSTEM has 5 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 Interim Enhanced Surface Water Treatment Rule, LEAD AND COPPER RULE REVISIONS. Recorded violations span 2017–2024. 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)
- CA3601048
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Angelus Oaks, CA
- Population Served
- 1,070
- Health Violations
- Yes (5)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | 4 | 4 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
Violation History (5)
| Contaminant | Health | Date |
|---|---|---|
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Jul 1, 2017 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Jun 1, 2017 |
| Interim Enhanced Surface Water Treatment Rule | Yes | May 1, 2017 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Mar 1, 2017 |
Frequently Asked Questions
What does EPA SDWIS list for BARTON FLATS WATER SYSTEM?
How many people does BARTON FLATS WATER SYSTEM serve?
What violations does BARTON FLATS WATER SYSTEM have?
What contaminants have been found in BARTON FLATS WATER SYSTEM water?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest BARTON FLATS WATER SYSTEM on cumulative violation count (5) and EPA-reported population served (1,070). Violation-count peers include Jemez Pueblo, Acoma Main, OMAHA TRIBE PWS. Population peers include CTWC - THOMPSON SYSTEM, FLANAGAN, DAKOTA RURAL WATER DISTRICT NORTH.
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
BARTON FLATS WATER SYSTEM (CA3601048) is drawn from EPA SDWIS. Nearby county systems in this extract include CUCAMONGA VALLEY WATER DISTRICT; ONTARIO MUNICIPAL UTILITIES COMPANY; SAN BERNARDINO VALLEY WD; EAST VALLEY WATER DISTRICT. Health-based rows (5 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.