SEMINOLE CO. RW&SWMD #3
PWSID: OK3006703 · Cromwell, OK · Serves 337 people
According to EPA Safe Drinking Water Information System (SDWIS), SEMINOLE CO. RW&SWMD #3 (PWSID OK3006703) in Cromwell, OK is listed as a CWS water system covering about 337 people. The same extract lists 71 health-based violation records spanning 1979-2025. Those 71 health-based rows for SEMINOLE CO. RW&SWMD #3 cover contaminants such as TTHM, LEAD AND COPPER RULE REVISIONS, Coliform (TCR); they remain historical EPA registry entries, not a current compliance or drinkability score.
SEMINOLE CO. RW&SWMD #3 has 71 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 TTHM, LEAD AND COPPER RULE REVISIONS, Coliform (TCR). Recorded violations span 1979–2025. 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)
- OK3006703
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Cromwell, OK
- Population Served
- 337
- Health Violations
- Yes (71)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 68 | 68 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
| Coliform (TCR) | 1 | 1 |
| Coliform (Pre-TCR) | 1 | 1 |
Violation History (71)
| Contaminant | Health | Date |
|---|---|---|
| TTHM | Yes | Oct 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| 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 | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Oct 1, 2021 |
| TTHM | Yes | Oct 1, 2021 |
| TTHM | Yes | Jul 1, 2021 |
| TTHM | Yes | Jul 1, 2021 |
| TTHM | Yes | Apr 1, 2021 |
| TTHM | Yes | Apr 1, 2021 |
| TTHM | Yes | Jan 1, 2021 |
| TTHM | Yes | Jan 1, 2021 |
| TTHM | Yes | Oct 1, 2020 |
| TTHM | Yes | Oct 1, 2020 |
| TTHM | Yes | Jul 1, 2020 |
| TTHM | Yes | Jul 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| TTHM | Yes | Jan 1, 2019 |
| TTHM | Yes | Jan 1, 2019 |
| TTHM | Yes | Oct 1, 2018 |
| TTHM | Yes | Oct 1, 2018 |
| TTHM | Yes | Apr 1, 2017 |
| TTHM | Yes | Apr 1, 2017 |
| TTHM | Yes | Jan 1, 2017 |
| TTHM | Yes | Jan 1, 2017 |
| TTHM | Yes | Oct 1, 2016 |
| TTHM | Yes | Oct 1, 2016 |
| TTHM | Yes | Jul 1, 2016 |
| TTHM | Yes | Jul 1, 2016 |
| Coliform (TCR) | Yes | Aug 1, 1995 |
| Coliform (Pre-TCR) | Yes | Nov 30, 1979 |
Frequently Asked Questions
What does EPA SDWIS list for SEMINOLE CO. RW&SWMD #3?
How many people does SEMINOLE CO. RW&SWMD #3 serve?
What violations does SEMINOLE CO. RW&SWMD #3 have?
What contaminants have been found in SEMINOLE CO. RW&SWMD #3 water?
Compare beyond Oklahoma
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest SEMINOLE CO. RW&SWMD #3 on cumulative violation count (71) and EPA-reported population served (337). Violation-count peers include MORNING STAR PUBLIC WATER AUTHORITY, ARMONA COMMUNITY SERVICES DIST, SALEM WATER WORKS.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
Explore More
About This Data
SEMINOLE CO. RW&SWMD #3 (OK3006703) is drawn from EPA SDWIS. Nearby county systems in this extract include TRI-COUNTY RWD #2; WEWOKA PUBLIC WORKS AUTHORITY; BOWLEGS LIMA WATER; SEMINOLE CO. RWD #7. Health-based rows (71 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.