WASHINGTON
PWSID: OK2004703 · Washington, OK · Serves 600 people
According to EPA Safe Drinking Water Information System (SDWIS), WASHINGTON (PWSID OK2004703) in Washington, OK is listed as a CWS water system covering about 600 people. The same extract lists 9 health-based violation records spanning 1980-2024. Those 9 health-based rows for WASHINGTON cover contaminants such as Nitrate, Coliform (TCR), Coliform (Pre-TCR); they remain historical EPA registry entries, not a current compliance or drinkability score.
WASHINGTON has 9 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. 4 distinct EPA contaminant codes appear in this system's record, including Nitrate, Coliform (TCR), Coliform (Pre-TCR). Recorded violations span 1980–2024. Day-to-day primacy enforcement for this system runs through the Oklahoma 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 Oklahoma state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- OK2004703
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Washington, OK
- Population Served
- 600
- Health Violations
- Yes (9)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Nitrate | 4 | 4 |
| Coliform (TCR) | 2 | 2 |
| Coliform (Pre-TCR) | 2 | 2 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
Violation History (9)
| Contaminant | Health | Date |
|---|---|---|
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| Nitrate | Yes | Sep 2, 1993 |
| Coliform (TCR) | Yes | Feb 1, 1993 |
| Coliform (TCR) | Yes | Jan 1, 1993 |
| Coliform (Pre-TCR) | Yes | Nov 1, 1986 |
| Nitrate | Yes | Oct 23, 1984 |
| Nitrate | Yes | Oct 1, 1984 |
| Nitrate | Yes | Jun 1, 1984 |
| Coliform (Pre-TCR) | Yes | Aug 31, 1980 |
Frequently Asked Questions
What does EPA SDWIS list for WASHINGTON?
How many people does WASHINGTON serve?
What violations does WASHINGTON have?
What contaminants have been found in WASHINGTON water?
Compare beyond Oklahoma
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest WASHINGTON on cumulative violation count (9) and EPA-reported population served (600). Violation-count peers include Santa Clara Pueblo, PARSHALL, CITY OF, WELLPINIT. Population peers include Big Pine Paiute Band, Lytton Rancheria Water System, GOLDEN NUGGET RV PARK, MALASPINA MHP.
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
WASHINGTON (OK2004703) is drawn from EPA SDWIS. Nearby county systems in this extract include NEWCASTLE; PURCELL; GOLDSBY WATER AUTH TRUST; MCCLAIN CO RWD # 8. Health-based rows (9 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.