SHIDLER
PWSID: OK1021203 · Shidler, OK · Serves 404 people
According to EPA Safe Drinking Water Information System (SDWIS), SHIDLER (PWSID OK1021203) in Shidler, OK is listed as a CWS water system covering about 404 people. The same extract lists 189 health-based violation records spanning 1980-2025. Those 189 health-based rows for SHIDLER cover contaminants such as Total Haloacetic Acids (HAA5), TTHM, CARBON, TOTAL; they remain historical EPA registry entries, not a current compliance or drinkability score.
SHIDLER has 189 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. 7 distinct EPA contaminant codes appear in this system's record, including Total Haloacetic Acids (HAA5), TTHM, CARBON, TOTAL. 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)
- OK1021203
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Shidler, OK
- Population Served
- 404
- Health Violations
- Yes (189)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Total Haloacetic Acids (HAA5) | 72 | 72 |
| TTHM | 66 | 66 |
| CARBON, TOTAL | 41 | 41 |
| Coliform (TCR) | 4 | 4 |
| Interim Enhanced Surface Water Treatment Rule | 2 | 2 |
| Turbidity | 2 | 2 |
| Coliform (Pre-TCR) | 2 | 2 |
Violation History (189)
Frequently Asked Questions
What does EPA SDWIS list for SHIDLER?
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Compare beyond Oklahoma
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest SHIDLER on cumulative violation count (189) and EPA-reported population served (404). Violation-count peers include Shungopavi, CITY OF WOLFFORTH, SANDY POINT 480 WATER SYSTEM.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
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About This Data
SHIDLER (OK1021203) is drawn from EPA SDWIS. Nearby county systems in this extract include BARTLESVILLE; SKIATOOK PWA; OSAGE CO RWD #15; PAWHUSKA. Health-based rows (189 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.