GREEN VALLEY MWC
PWSID: CA3610023 · Green Valley Lake, CA · Serves 2,993 people
According to EPA Safe Drinking Water Information System (SDWIS), GREEN VALLEY MWC (PWSID CA3610023) in Green Valley Lake, CA is listed as a CWS water system covering about 2,993 people. The same extract lists 5 health-based violation records spanning 1993-2024. Those 5 health-based rows for GREEN VALLEY MWC cover contaminants such as Combined Uranium, Coliform (TCR); they remain historical EPA registry entries, not a current compliance or drinkability score.
GREEN VALLEY MWC 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 Combined Uranium, Coliform (TCR). Recorded violations span 1993–2024. 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)
- CA3610023
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Green Valley Lake, CA
- Population Served
- 2,993
- Health Violations
- Yes (5)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Combined Uranium | 3 | 3 |
| Coliform (TCR) | 2 | 2 |
Violation History (5)
| Contaminant | Health | Date |
|---|---|---|
| Combined Uranium | Yes | Oct 1, 2024 |
| Combined Uranium | Yes | Oct 1, 2024 |
| Combined Uranium | Yes | Oct 1, 2024 |
| Coliform (TCR) | Yes | Jul 1, 1993 |
| Coliform (TCR) | Yes | Jul 1, 1993 |
Frequently Asked Questions
What does EPA SDWIS list for GREEN VALLEY MWC?
How many people does GREEN VALLEY MWC serve?
What violations does GREEN VALLEY MWC have?
What contaminants have been found in GREEN VALLEY MWC water?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest GREEN VALLEY MWC on cumulative violation count (5) and EPA-reported population served (2,993). Violation-count peers include Jemez Pueblo, Acoma Main, OMAHA TRIBE PWS. Population peers include HENRY COUNTY PWSD 3, PARK FALLS WATERWORKS, EAST BREWTON, THE WWB OF THE TOWN OF.
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
GREEN VALLEY MWC (CA3610023) 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.