COPAN PWA
PWSID: OK1021417 · Copan, OK · Serves 733 people
According to EPA Safe Drinking Water Information System (SDWIS), COPAN PWA (PWSID OK1021417) in Copan, OK is listed as a CWS water system covering about 733 people. The same extract lists 108 health-based violation records spanning 1986-2025. Those 108 health-based rows for COPAN PWA cover contaminants such as TTHM, Total Haloacetic Acids (HAA5), Interim Enhanced Surface Water Treatment Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
COPAN PWA has 108 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. 6 distinct EPA contaminant codes appear in this system's record, including TTHM, Total Haloacetic Acids (HAA5), Interim Enhanced Surface Water Treatment Rule. Recorded violations span 1986–2025. 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)
- OK1021417
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Copan, OK
- Population Served
- 733
- Health Violations
- Yes (108)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 52 | 52 |
| Total Haloacetic Acids (HAA5) | 22 | 22 |
| Interim Enhanced Surface Water Treatment Rule | 21 | 21 |
| Surface Water Treatment Rule | 11 | 11 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
| Coliform (Pre-TCR) | 1 | 1 |
Violation History (108)
Frequently Asked Questions
What does EPA SDWIS list for COPAN PWA?
How many people does COPAN PWA serve?
What violations does COPAN PWA have?
What contaminants have been found in COPAN PWA water?
Compare beyond Oklahoma
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest COPAN PWA on cumulative violation count (108) and EPA-reported population served (733). Violation-count peers include VILLAGE OF MARION WATER SYSTEM, JACKSON TWP WATER AUTH, SPILLWAY ESTATES WATER SYSTEM. Population peers include HUTTIG WATERWORKS, HIGH VALLEYS WATER DISTRICT, BERTRAND PWS.
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
COPAN PWA (OK1021417) is drawn from EPA SDWIS. Nearby county systems in this extract include DEWEY PUBLIC WORKS AUTHORITY; GRAND LAKE PWA; WASHINGTON CO RWD #2; WASHINGTON CO RWD #1. Health-based rows (108 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.