KAY COUNTY RURAL WATER DISTRICT 7
PWSID: OK3003601 · Blackwell, OK · Serves 920 people
According to EPA Safe Drinking Water Information System (SDWIS), KAY COUNTY RURAL WATER DISTRICT 7 (PWSID OK3003601) in Blackwell, OK is listed as a CWS water system covering about 920 people. The same extract lists 18 health-based violation records spanning 1981-2023. Those 18 health-based rows for KAY COUNTY RURAL WATER DISTRICT 7 cover contaminants such as TTHM, Coliform (Pre-TCR); they remain historical EPA registry entries, not a current compliance or drinkability score.
KAY COUNTY RURAL WATER DISTRICT 7 has 18 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 TTHM, Coliform (Pre-TCR). Recorded violations span 1981–2023. 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)
- OK3003601
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Blackwell, OK
- Population Served
- 920
- Health Violations
- Yes (18)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 17 | 17 |
| Coliform (Pre-TCR) | 1 | 1 |
Violation History (18)
| Contaminant | Health | Date |
|---|---|---|
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Apr 1, 2023 |
| TTHM | Yes | Apr 1, 2023 |
| TTHM | Yes | Apr 1, 2023 |
| TTHM | Yes | Apr 1, 2023 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Apr 1, 2015 |
| TTHM | Yes | Jan 1, 2015 |
| TTHM | Yes | Oct 1, 2014 |
| TTHM | Yes | Jul 1, 2014 |
| Coliform (Pre-TCR) | Yes | May 31, 1981 |
Frequently Asked Questions
What does EPA SDWIS list for KAY COUNTY RURAL WATER DISTRICT 7?
How many people does KAY COUNTY RURAL WATER DISTRICT 7 serve?
What violations does KAY COUNTY RURAL WATER DISTRICT 7 have?
What contaminants have been found in KAY COUNTY RURAL WATER DISTRICT 7 water?
Compare beyond Oklahoma
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest KAY COUNTY RURAL WATER DISTRICT 7 on cumulative violation count (18) and EPA-reported population served (920). Violation-count peers include Jicarilla Dulce, WHITE SHIELD WATER TREATMENT PLANT, SAND POINT WATER SYSTEM. Population peers include GRACE CITY OF, AVON, WILLOW LAKE ESTATES 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
KAY COUNTY RURAL WATER DISTRICT 7 (OK3003601) is drawn from EPA SDWIS. Nearby county systems in this extract include BLACKWELL MUNICIPAL AUTHORITY; TONKAWA; NEWKIRK; KAY CO RWD #5 (DALE WATER CORP). Health-based rows (18 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.