PORTER PWA
PWSID: OK3007306 · Porter, OK · Serves 2,400 people
According to EPA Safe Drinking Water Information System (SDWIS), PORTER PWA (PWSID OK3007306) in Porter, OK is listed as a CWS water system covering about 2,400 people. The same extract lists 105 health-based violation records spanning 1979-2025. Those 105 health-based rows for PORTER PWA cover contaminants such as TTHM, Total Haloacetic Acids (HAA5), LEAD AND COPPER RULE REVISIONS; they remain historical EPA registry entries, not a current compliance or drinkability score.
PORTER PWA has 105 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, Total Haloacetic Acids (HAA5), LEAD AND COPPER RULE REVISIONS. 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)
- OK3007306
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Porter, OK
- Population Served
- 2,400
- Health Violations
- Yes (105)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 77 | 77 |
| Total Haloacetic Acids (HAA5) | 26 | 26 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
| Coliform (Pre-TCR) | 1 | 1 |
Violation History (105)
| Contaminant | Health | Date |
|---|---|---|
| TTHM | Yes | Jul 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| 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 | Apr 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 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 | Oct 1, 2021 |
| TTHM | Yes | Oct 1, 2021 |
| TTHM | Yes | Apr 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2020 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2020 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2020 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2020 |
| TTHM | Yes | Jan 1, 2020 |
| TTHM | Yes | Jan 1, 2020 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2019 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2019 |
| TTHM | Yes | Oct 1, 2019 |
| TTHM | Yes | Oct 1, 2019 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2019 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2019 |
| TTHM | Yes | Jul 1, 2019 |
| TTHM | Yes | Jul 1, 2019 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2019 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2019 |
| TTHM | Yes | Apr 1, 2019 |
| TTHM | Yes | Apr 1, 2019 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2019 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2019 |
| TTHM | Yes | Jan 1, 2019 |
| TTHM | Yes | Jan 1, 2019 |
| TTHM | Yes | Oct 1, 2018 |
| TTHM | Yes | Oct 1, 2018 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2018 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2018 |
| TTHM | Yes | Jul 1, 2018 |
| TTHM | Yes | Jul 1, 2018 |
| TTHM | Yes | Apr 1, 2018 |
| TTHM | Yes | Apr 1, 2018 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2018 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2018 |
| TTHM | Yes | Jan 1, 2018 |
| TTHM | Yes | Jan 1, 2018 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2018 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2018 |
| TTHM | Yes | Oct 1, 2017 |
| TTHM | Yes | Oct 1, 2017 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2017 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2017 |
| TTHM | Yes | Jul 1, 2017 |
| TTHM | Yes | Jul 1, 2017 |
| 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 | Apr 1, 2016 |
| TTHM | Yes | Apr 1, 2016 |
| TTHM | Yes | Jan 1, 2016 |
| TTHM | Yes | Jan 1, 2016 |
| TTHM | Yes | Oct 1, 2015 |
| TTHM | Yes | Jul 1, 2015 |
| TTHM | Yes | Jan 1, 2015 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2015 |
| TTHM | Yes | Oct 1, 2014 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2014 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2014 |
| TTHM | Yes | Jul 1, 2014 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2014 |
Frequently Asked Questions
What does EPA SDWIS list for PORTER PWA?
How many people does PORTER PWA serve?
What violations does PORTER PWA have?
What contaminants have been found in PORTER PWA water?
Compare beyond Oklahoma
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest PORTER PWA on cumulative violation count (105) and EPA-reported population served (2,400). Violation-count peers include TANNEHILL WATER SYSTEM, Dilkon-Indian Wells-Greasewood-White Cone NTUA, WALLA WALLA WATER DIVISION. Population peers include H2O 2U, DBA THE FILL, HODGES WATER SYSTEM, TERRACE WATER COMPANY.
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
Explore More
About This Data
PORTER PWA (OK3007306) is drawn from EPA SDWIS. Nearby county systems in this extract include WAGONER CO. RWD #4; COWETA PWA; WAGONER; WAGONER CO. RWD #9. Health-based rows (105 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.