HERITAGE HILLS MHP
PWSID: PA6370041 · Oakdale, CA · Serves 425 people
According to EPA Safe Drinking Water Information System (SDWIS), HERITAGE HILLS MHP (PWSID PA6370041) in Oakdale, CA is listed as a CWS water system covering about 425 people. The same extract lists 1 health-based violation record spanning 2026-2026. Those 1 health-based row for HERITAGE HILLS MHP cover contaminants such as Groundwater Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
HERITAGE HILLS MHP has 1 health-based violation record 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. 1 distinct EPA contaminant code appears in this system's record, including Groundwater Rule. Recorded violations span 2026–2026. 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)
- PA6370041
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Oakdale, CA
- Population Served
- 425
- Health Violations
- Yes (1)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Groundwater Rule | 1 | 1 |
Violation History (1)
| Contaminant | Health | Date |
|---|---|---|
| Groundwater Rule | Yes | Jan 1, 2026 |
Frequently Asked Questions
What does EPA SDWIS list for HERITAGE HILLS MHP?
How many people does HERITAGE HILLS MHP serve?
What violations does HERITAGE HILLS MHP have?
What contaminants have been found in HERITAGE HILLS MHP water?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest HERITAGE HILLS MHP on cumulative violation count (1) and EPA-reported population served (425). Violation-count peers include CHOCTAW - CONEHATTA, CHOCTAW - PEARL RIVER, CHOCTAW - TUCKER.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
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About This Data
HERITAGE HILLS MHP (PA6370041) is drawn from EPA SDWIS. Health-based rows in this extract are MCL and Treatment Technique records spanning 2026-2026 covering Groundwater Rule. Historical registry entries, 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.