ROCK CREEK WATER DISTRICT
PWSID: OR4100337 · Grand Ronde, OR · Serves 300 people
According to EPA Safe Drinking Water Information System (SDWIS), ROCK CREEK WATER DISTRICT (PWSID OR4100337) in Grand Ronde, OR is listed as a CWS water system covering about 300 people. The same extract lists 4 health-based violation records spanning 2024-2025. Those 4 health-based rows for ROCK CREEK WATER DISTRICT cover contaminants such as Surface Water Treatment Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
ROCK CREEK WATER DISTRICT has 4 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. 1 distinct EPA contaminant code appears in this system's record, including Surface Water Treatment Rule. Recorded violations span 2024–2025. Day-to-day primacy enforcement for this system runs through the Oregon 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 Oregon state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- OR4100337
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Grand Ronde, OR
- Population Served
- 300
- Health Violations
- Yes (4)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Surface Water Treatment Rule | 4 | 4 |
Violation History (4)
| Contaminant | Health | Date |
|---|---|---|
| Surface Water Treatment Rule | Yes | Jan 1, 2025 |
| Surface Water Treatment Rule | Yes | Dec 1, 2024 |
| Surface Water Treatment Rule | Yes | Dec 1, 2024 |
| Surface Water Treatment Rule | Yes | Dec 1, 2024 |
Frequently Asked Questions
What does EPA SDWIS list for ROCK CREEK WATER DISTRICT?
How many people does ROCK CREEK WATER DISTRICT serve?
What violations does ROCK CREEK WATER DISTRICT have?
What contaminants have been found in ROCK CREEK WATER DISTRICT water?
Compare beyond Oregon
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest ROCK CREEK WATER DISTRICT on cumulative violation count (4) and EPA-reported population served (300). Violation-count peers include Santo Domingo Pueblo, Isleta Eastside, PARSHALL-LUCKY MOUND.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
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About This Data
ROCK CREEK WATER DISTRICT (OR4100337) is drawn from EPA SDWIS. Nearby county systems in this extract include MCMINNVILLE WATER & LIGHT; NEWBERG, CITY OF; SHERIDAN, CITY OF; LAFAYETTE, CITY OF. Health-based rows (4 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.