DILL CITY
PWSID: OK2007507 · Dill City, OK · Serves 526 people
According to EPA Safe Drinking Water Information System (SDWIS), DILL CITY (PWSID OK2007507) in Dill City, OK is listed as a CWS water system covering about 526 people. The same extract lists 36 health-based violation records spanning 1980-2025. Those 36 health-based rows for DILL CITY cover contaminants such as Nitrate-Nitrite, Coliform (Pre-TCR), Nitrate; they remain historical EPA registry entries, not a current compliance or drinkability score.
DILL CITY has 36 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. 5 distinct EPA contaminant codes appear in this system's record, including Nitrate-Nitrite, Coliform (Pre-TCR), Nitrate. Recorded violations span 1980–2025. 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)
- OK2007507
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Dill City, OK
- Population Served
- 526
- Health Violations
- Yes (36)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Nitrate-Nitrite | 24 | 24 |
| Coliform (Pre-TCR) | 6 | 6 |
| Nitrate | 3 | 3 |
| Coliform (TCR) | 2 | 2 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
Violation History (36)
| Contaminant | Health | Date |
|---|---|---|
| Nitrate-Nitrite | Yes | Oct 1, 2025 |
| Nitrate-Nitrite | Yes | Jul 1, 2025 |
| Nitrate-Nitrite | Yes | Jan 1, 2025 |
| Nitrate-Nitrite | Yes | Jan 1, 2025 |
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| Nitrate-Nitrite | Yes | Oct 1, 2024 |
| Nitrate-Nitrite | Yes | Oct 1, 2024 |
| Nitrate-Nitrite | Yes | Oct 1, 2024 |
| Nitrate-Nitrite | Yes | Jul 1, 2024 |
| Nitrate-Nitrite | Yes | Jul 1, 2024 |
| Nitrate-Nitrite | Yes | Jul 1, 2024 |
| Nitrate-Nitrite | Yes | Apr 1, 2024 |
| Nitrate-Nitrite | Yes | Apr 1, 2024 |
| Nitrate-Nitrite | Yes | Oct 1, 2020 |
| Nitrate-Nitrite | Yes | Jul 1, 2020 |
| Nitrate-Nitrite | Yes | Apr 1, 2019 |
| Nitrate-Nitrite | Yes | Apr 1, 2018 |
| Nitrate-Nitrite | Yes | Oct 1, 2017 |
| Nitrate-Nitrite | Yes | Jul 1, 2017 |
| Nitrate-Nitrite | Yes | Apr 1, 2017 |
| Nitrate-Nitrite | Yes | Jan 1, 2017 |
| Nitrate-Nitrite | Yes | Oct 1, 2016 |
| Nitrate-Nitrite | Yes | Jul 1, 2016 |
| Nitrate-Nitrite | Yes | Apr 1, 2016 |
| Nitrate-Nitrite | Yes | Jul 1, 2015 |
| Coliform (TCR) | Yes | Jul 1, 1991 |
| Coliform (TCR) | Yes | Jun 1, 1991 |
| Coliform (Pre-TCR) | Yes | Nov 1, 1986 |
| Coliform (Pre-TCR) | Yes | Jan 1, 1986 |
| Nitrate | Yes | Jul 9, 1984 |
| Nitrate | Yes | Jul 1, 1984 |
| Nitrate | Yes | Apr 19, 1983 |
| Coliform (Pre-TCR) | Yes | Sep 30, 1982 |
| Coliform (Pre-TCR) | Yes | Apr 30, 1982 |
| Coliform (Pre-TCR) | Yes | May 31, 1981 |
| Coliform (Pre-TCR) | Yes | Aug 31, 1980 |
Frequently Asked Questions
What does EPA SDWIS list for DILL CITY?
How many people does DILL CITY serve?
What violations does DILL CITY have?
What contaminants have been found in DILL CITY water?
Compare beyond Oklahoma
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest DILL CITY on cumulative violation count (36) and EPA-reported population served (526). Violation-count peers include GULF COUNTY WATER DEPARTMENT, LEESBURG, CITY OF, ATTAPULGUS. Population peers include DOWS WATER SUPPLY, MOUND CITY, ASHLEY, VILLAGE 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
DILL CITY (OK2007507) is drawn from EPA SDWIS. Nearby county systems in this extract include NEW CORDELL UTILITY AUTHORITY; BURNS FLAT PWS; WASHITA CO RWD #2; SENTINEL PWS. Health-based rows (36 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.