HAT ROCK WATER COMPANY
PWSID: OR4101309 · Hermiston, OR · Serves 150 people
According to EPA Safe Drinking Water Information System (SDWIS), HAT ROCK WATER COMPANY (PWSID OR4101309) in Hermiston, OR is listed as a CWS water system covering about 150 people. The same extract lists 17 health-based violation records spanning 2014-2019. Those 17 health-based rows for HAT ROCK WATER COMPANY cover contaminants such as Nitrate, Revised Total Coliform Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
HAT ROCK WATER COMPANY has 17 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 Nitrate, Revised Total Coliform Rule. Recorded violations span 2014–2019. 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)
- OR4101309
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Hermiston, OR
- Population Served
- 150
- Health Violations
- Yes (17)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Nitrate | 14 | 14 |
| Revised Total Coliform Rule | 3 | 3 |
Violation History (17)
| Contaminant | Health | Date |
|---|---|---|
| Revised Total Coliform Rule | Yes | Jul 22, 2019 |
| Revised Total Coliform Rule | Yes | Jul 22, 2019 |
| Revised Total Coliform Rule | Yes | Jul 22, 2019 |
| Nitrate | Yes | Jan 1, 2017 |
| Nitrate | Yes | Jan 1, 2017 |
| Nitrate | Yes | Jul 1, 2016 |
| Nitrate | Yes | Jul 1, 2016 |
| Nitrate | Yes | Jan 1, 2016 |
| Nitrate | Yes | Jan 1, 2016 |
| Nitrate | Yes | Jul 1, 2015 |
| Nitrate | Yes | Jul 1, 2015 |
| Nitrate | Yes | Apr 1, 2015 |
| Nitrate | Yes | Apr 1, 2015 |
| Nitrate | Yes | Apr 1, 2014 |
| Nitrate | Yes | Apr 1, 2014 |
| Nitrate | Yes | Jan 1, 2014 |
| Nitrate | Yes | Jan 1, 2014 |
Frequently Asked Questions
What does EPA SDWIS list for HAT ROCK WATER COMPANY?
How many people does HAT ROCK WATER COMPANY serve?
What violations does HAT ROCK WATER COMPANY have?
What contaminants have been found in HAT ROCK WATER COMPANY water?
Compare beyond Oregon
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest HAT ROCK WATER COMPANY on cumulative violation count (17) and EPA-reported population served (150). Violation-count peers include Colorado River Regional Water System, SOUTH TONGASS WATER UTILITY, DERMOTT WATERWORKS.
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
HAT ROCK WATER COMPANY (OR4101309) is drawn from EPA SDWIS. Nearby county systems in this extract include HERMISTON, CITY OF; PENDLETON, CITY OF; UMATILLA, CITY OF; MILTON-FREEWATER, CITY OF. Health-based rows (17 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.