CHEYENNE
PWSID: OK1010803 · Cheyenne, OK · Serves 778 people
According to EPA Safe Drinking Water Information System (SDWIS), CHEYENNE (PWSID OK1010803) in Cheyenne, OK is listed as a CWS water system covering about 778 people. The same extract lists 44 health-based violation records spanning 1984-2025. Those 44 health-based rows for CHEYENNE cover contaminants such as TTHM, Turbidity, LEAD AND COPPER RULE REVISIONS; they remain historical EPA registry entries, not a current compliance or drinkability score.
CHEYENNE has 44 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 TTHM, Turbidity, LEAD AND COPPER RULE REVISIONS. Recorded violations span 1984–2025. 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)
- OK1010803
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Cheyenne, OK
- Population Served
- 778
- Health Violations
- Yes (44)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 39 | 39 |
| Turbidity | 2 | 2 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
| Interim Enhanced Surface Water Treatment Rule | 1 | 1 |
| Surface Water Treatment Rule | 1 | 1 |
Violation History (44)
| Contaminant | Health | Date |
|---|---|---|
| TTHM | Yes | Jul 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Jul 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| TTHM | Yes | Jan 1, 2020 |
| TTHM | Yes | Oct 1, 2019 |
| TTHM | Yes | Jul 1, 2019 |
| TTHM | Yes | Apr 1, 2019 |
| TTHM | Yes | Apr 1, 2019 |
| TTHM | Yes | Jan 1, 2019 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Oct 1, 2018 |
| Surface Water Treatment Rule | Yes | Oct 1, 2018 |
| TTHM | Yes | Oct 1, 2018 |
| TTHM | Yes | Jul 1, 2018 |
| TTHM | Yes | Apr 1, 2018 |
| TTHM | Yes | Jan 1, 2018 |
| TTHM | Yes | Oct 1, 2017 |
| TTHM | Yes | Jul 1, 2017 |
| TTHM | Yes | Apr 1, 2017 |
| TTHM | Yes | Jan 1, 2017 |
| TTHM | Yes | Oct 1, 2016 |
| TTHM | Yes | Jul 1, 2016 |
| TTHM | Yes | Apr 1, 2016 |
| TTHM | Yes | Jan 1, 2016 |
| TTHM | Yes | Oct 1, 2015 |
| TTHM | Yes | Jul 1, 2015 |
| TTHM | Yes | Apr 1, 2015 |
| TTHM | Yes | Jan 1, 2015 |
| TTHM | Yes | Oct 1, 2014 |
| TTHM | Yes | Jul 1, 2014 |
| TTHM | Yes | Apr 1, 2013 |
| TTHM | Yes | Jan 1, 2013 |
| TTHM | Yes | Oct 1, 2012 |
| TTHM | Yes | Jul 1, 2012 |
| Turbidity | Yes | Dec 1, 1990 |
| Turbidity | Yes | Dec 1, 1984 |
Frequently Asked Questions
What does EPA SDWIS list for CHEYENNE?
How many people does CHEYENNE serve?
What violations does CHEYENNE have?
What contaminants have been found in CHEYENNE water?
Compare beyond Oklahoma
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest CHEYENNE on cumulative violation count (44) and EPA-reported population served (778). Violation-count peers include WASHINGTON WATER AUTHORITY WWA, CHICOT JUNCTION WATER ASSOC, LITTLE RIVER CO RDA. Population peers include CRESCENT WATER SUPPLY, UNDERWOOD CITY OF, LAKE OF THE WOODS MWC.
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
CHEYENNE (OK1010803) is drawn from EPA SDWIS. Nearby county systems in this extract include ROGER MILLS RWD # 2 (RED STAR); HAMMON; LEEDEY; ROGER MILLS RWS & SWMD #1. Health-based rows (44 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.