CHICKASHA MUNICIPAL AUTHORITY
PWSID: OK1010821 · Chickasha, OK · Serves 16,036 people
According to EPA Safe Drinking Water Information System (SDWIS), CHICKASHA MUNICIPAL AUTHORITY (PWSID OK1010821) in Chickasha, OK is listed as a CWS water system covering about 16,036 people. The same extract lists 67 health-based violation records spanning 1990-2024. Those 67 health-based rows for CHICKASHA MUNICIPAL AUTHORITY cover contaminants such as Interim Enhanced Surface Water Treatment Rule, TTHM, Surface Water Treatment Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
CHICKASHA MUNICIPAL AUTHORITY has 67 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 Interim Enhanced Surface Water Treatment Rule, TTHM, Surface Water Treatment Rule. Recorded violations span 1990–2024. 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)
- OK1010821
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Chickasha, OK
- Population Served
- 16,036
- Health Violations
- Yes (67)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | 47 | 47 |
| TTHM | 13 | 13 |
| Surface Water Treatment Rule | 5 | 5 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
| Coliform (Pre-TCR) | 1 | 1 |
Violation History (67)
Frequently Asked Questions
What does EPA SDWIS list for CHICKASHA MUNICIPAL AUTHORITY?
How many people does CHICKASHA MUNICIPAL AUTHORITY serve?
What violations does CHICKASHA MUNICIPAL AUTHORITY have?
What contaminants have been found in CHICKASHA MUNICIPAL AUTHORITY water?
Compare beyond Oklahoma
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest CHICKASHA MUNICIPAL AUTHORITY on cumulative violation count (67) and EPA-reported population served (16,036). Violation-count peers include KLAWOCK, Central ASG, MILITARY HWY WSC LAS RUSIAS. Population peers include Hibbing, BCWWS 3A, LOUDON UTILITIES BOARD.
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
CHICKASHA MUNICIPAL AUTHORITY (OK1010821) is drawn from EPA SDWIS. Nearby county systems in this extract include GRADY CO RWD #6; BLANCHARD; GRADY CO RWD #7 (NINNEKAH); MINCO. Health-based rows (67 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.