TONKAWA
PWSID: OK2003603 · Tonkawa, OK · Serves 3,299 people
According to EPA Safe Drinking Water Information System (SDWIS), TONKAWA (PWSID OK2003603) in Tonkawa, OK is listed as a CWS water system covering about 3,299 people. The same extract lists 2 health-based violation records spanning 1998-2024. Those 2 health-based rows for TONKAWA cover contaminants such as LEAD AND COPPER RULE REVISIONS, Coliform (TCR); they remain historical EPA registry entries, not a current compliance or drinkability score.
TONKAWA 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. 2 distinct EPA contaminant codes appear in this system's record, including LEAD AND COPPER RULE REVISIONS, Coliform (TCR). Recorded violations span 1998–2024. 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)
- OK2003603
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Tonkawa, OK
- Population Served
- 3,299
- Health Violations
- Yes (2)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
| Coliform (TCR) | 1 | 1 |
Violation History (2)
| Contaminant | Health | Date |
|---|---|---|
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| Coliform (TCR) | Yes | Sep 1, 1998 |
Frequently Asked Questions
What does EPA SDWIS list for TONKAWA?
How many people does TONKAWA serve?
What violations does TONKAWA have?
What contaminants have been found in TONKAWA water?
Compare beyond Oklahoma
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest TONKAWA on cumulative violation count (2) and EPA-reported population served (3,299). Violation-count peers include SAINT REGIS MOHAWK TRIBE, REDBY/RED LAKE, Kickapoo Traditional Tribe. Population peers include OWASSA-BROWNSVILLE WATER AUTHORITY, MIDLAND CITY WATER DEPARTMENT, RIO DELL, CITY OF.
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
TONKAWA (OK2003603) is drawn from EPA SDWIS. Nearby county systems in this extract include BLACKWELL MUNICIPAL AUTHORITY; NEWKIRK; KAY COUNTY RURAL WATER DISTRICT 7; KAY CO RWD #5 (DALE WATER CORP). 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.