MAYES CO RWD #4
PWSID: OK3004617 · Pryor, OK · Serves 4,183 people
According to EPA Safe Drinking Water Information System (SDWIS), MAYES CO RWD #4 (PWSID OK3004617) in Pryor, OK is listed as a CWS water system covering about 4,183 people. The same extract lists 5 health-based violation records spanning 1982-2024. Those 5 health-based rows for MAYES CO RWD #4 cover contaminants such as Coliform (Pre-TCR), LEAD AND COPPER RULE REVISIONS, Coliform (TCR); they remain historical EPA registry entries, not a current compliance or drinkability score.
MAYES CO RWD #4 has 5 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. 3 distinct EPA contaminant codes appear in this system's record, including Coliform (Pre-TCR), LEAD AND COPPER RULE REVISIONS, Coliform (TCR). Recorded violations span 1982–2024. 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)
- OK3004617
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Pryor, OK
- Population Served
- 4,183
- Health Violations
- Yes (5)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Coliform (Pre-TCR) | 3 | 3 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
| Coliform (TCR) | 1 | 1 |
Violation History (5)
| Contaminant | Health | Date |
|---|---|---|
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| Coliform (TCR) | Yes | Aug 1, 1995 |
| Coliform (Pre-TCR) | Yes | Sep 1, 1988 |
| Coliform (Pre-TCR) | Yes | Apr 1, 1986 |
| Coliform (Pre-TCR) | Yes | Jun 30, 1982 |
Frequently Asked Questions
What does EPA SDWIS list for MAYES CO RWD #4?
How many people does MAYES CO RWD #4 serve?
What violations does MAYES CO RWD #4 have?
What contaminants have been found in MAYES CO RWD #4 water?
Compare beyond Oklahoma
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest MAYES CO RWD #4 on cumulative violation count (5) and EPA-reported population served (4,183). Violation-count peers include Jemez Pueblo, Acoma Main, OMAHA TRIBE PWS. Population peers include MEADOW VISTA CWD, JEFFERSON WATER DEPARTMENT, AQUA ILLINOIS-PEOTONE.
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
MAYES CO RWD #4 (OK3004617) is drawn from EPA SDWIS. Nearby county systems in this extract include MAYES CO RWD # 5; MAYES CO RWD # 9; MAYES CO RWD # 3; CHOUTEAU. Health-based rows (5 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.