TAHLEQUAH PWA
PWSID: OK1021701 · Tahlequah, OK · Serves 14,458 people
According to EPA Safe Drinking Water Information System (SDWIS), TAHLEQUAH PWA (PWSID OK1021701) in Tahlequah, OK is listed as a CWS water system covering about 14,458 people. The same extract lists 29 health-based violation records spanning 1986-2024. Those 29 health-based rows for TAHLEQUAH PWA cover contaminants such as Total Haloacetic Acids (HAA5), Long Term 2 Enhanced Surface Water Treatment Rule, Coliform (TCR); they remain historical EPA registry entries, not a current compliance or drinkability score.
TAHLEQUAH PWA has 29 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 Total Haloacetic Acids (HAA5), Long Term 2 Enhanced Surface Water Treatment Rule, Coliform (TCR). Recorded violations span 1986–2024. 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)
- OK1021701
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Tahlequah, OK
- Population Served
- 14,458
- Health Violations
- Yes (29)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Total Haloacetic Acids (HAA5) | 11 | 11 |
| Long Term 2 Enhanced Surface Water Treatment Rule | 10 | 10 |
| Coliform (TCR) | 5 | 5 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
| TTHM | 1 | 1 |
| Coliform (Pre-TCR) | 1 | 1 |
Violation History (29)
Frequently Asked Questions
What does EPA SDWIS list for TAHLEQUAH PWA?
How many people does TAHLEQUAH PWA serve?
What violations does TAHLEQUAH PWA have?
What contaminants have been found in TAHLEQUAH PWA water?
Compare beyond Oklahoma
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest TAHLEQUAH PWA on cumulative violation count (29) and EPA-reported population served (14,458). Violation-count peers include Tule River Reservation Main, EAST LOGAN CO RURAL WATER, BIG PARK WATER COMPANY. Population peers include CITY OF HERNANDO, ONTARIO, CITY OF, BRIGANTINE WATER DEPARTMENT.
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
TAHLEQUAH PWA (OK1021701) is drawn from EPA SDWIS. Nearby county systems in this extract include CHEROKEE CO. RWD #11; CHEROKEE CO. RWD #3 (GRANDVIEW); PEGGS WATER COMPANY; CHEROKEE CO. RWD #13. Health-based rows (29 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.