SHANIKO WATER SYSTEM
PWSID: OR4105384 · Shaniko, OR · Serves 38 people
According to EPA Safe Drinking Water Information System (SDWIS), SHANIKO WATER SYSTEM (PWSID OR4105384) in Shaniko, OR is listed as a CWS water system covering about 38 people. The same extract lists 2 health-based violation records spanning 2021-2025. Those 2 health-based rows for SHANIKO WATER SYSTEM cover contaminants such as Revised Total Coliform Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
SHANIKO WATER SYSTEM has 2 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 Revised Total Coliform Rule. Recorded violations span 2021–2025. 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)
- OR4105384
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Shaniko, OR
- Population Served
- 38
- Health Violations
- Yes (2)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Revised Total Coliform Rule | 2 | 2 |
Violation History (2)
| Contaminant | Health | Date |
|---|---|---|
| Revised Total Coliform Rule | Yes | Aug 1, 2025 |
| Revised Total Coliform Rule | Yes | Oct 18, 2021 |
Frequently Asked Questions
What does EPA SDWIS list for SHANIKO WATER SYSTEM?
How many people does SHANIKO WATER SYSTEM serve?
What violations does SHANIKO WATER SYSTEM have?
What contaminants have been found in SHANIKO WATER SYSTEM water?
Compare beyond Oregon
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest SHANIKO WATER SYSTEM on cumulative violation count (2) and EPA-reported population served (38). Violation-count peers include SAINT REGIS MOHAWK TRIBE, REDBY/RED LAKE, Kickapoo Traditional Tribe.
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
SHANIKO WATER SYSTEM (OR4105384) is drawn from EPA SDWIS. Nearby county systems in this extract include THE DALLES, CITY OF; WARM SPRINGS WATER TREATMENT PLANT; BARLOW WATER DISTRICT; DUFUR, CITY OF. Health-based rows (2 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.