MADILL
PWSID: OK1010820 · Madill, OK · Serves 3,410 people
According to EPA Safe Drinking Water Information System (SDWIS), MADILL (PWSID OK1010820) in Madill, OK is listed as a CWS water system covering about 3,410 people. The same extract lists 78 health-based violation records spanning 2015-2025. Those 78 health-based rows for MADILL cover contaminants such as TTHM, Total Haloacetic Acids (HAA5); they remain historical EPA registry entries, not a current compliance or drinkability score.
MADILL has 78 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, Total Haloacetic Acids (HAA5). Recorded violations span 2015–2025. 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)
- OK1010820
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Madill, OK
- Population Served
- 3,410
- Health Violations
- Yes (78)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 53 | 53 |
| Total Haloacetic Acids (HAA5) | 25 | 25 |
Violation History (78)
| Contaminant | Health | Date |
|---|---|---|
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2024 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2024 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2024 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2024 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2024 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2024 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2024 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2024 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Jul 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 | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| 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 | 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 | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2020 |
| TTHM | Yes | Apr 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 |
| TTHM | Yes | Jan 1, 2019 |
| TTHM | Yes | Jan 1, 2019 |
| TTHM | Yes | Oct 1, 2018 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2016 |
| TTHM | Yes | Jan 1, 2016 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2015 |
Frequently Asked Questions
What does EPA SDWIS list for MADILL?
How many people does MADILL serve?
What violations does MADILL have?
What contaminants have been found in MADILL water?
Compare beyond Oklahoma
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest MADILL on cumulative violation count (78) and EPA-reported population served (3,410). Violation-count peers include LAKESIDE WATER ASSOCIATION, R.C. WILLIS WTP (CITY OF PALATKA), CITY OF MANSFIELD WATER SYSTEM. Population peers include WALKER CO. RURAL WATER AUTH., LEBANON CORRECTIONAL INSTITUTION, MILAN COMMUNITY WATER SYSTEM.
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
MADILL (OK1010820) is drawn from EPA SDWIS. Nearby county systems in this extract include KINGSTON PWA; OAKLAND PWA; OAKVIEW WATER CORP; CARDINAL HILL SUBDIVISION. Health-based rows (78 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.