MAYES CO RWD # 7
PWSID: OK3004627 · Locust Grove, OK · Serves 538 people
According to EPA Safe Drinking Water Information System (SDWIS), MAYES CO RWD # 7 (PWSID OK3004627) in Locust Grove, OK is listed as a CWS water system covering about 538 people. The same extract lists 6 health-based violation records spanning 1986-2024. Those 6 health-based rows for MAYES CO RWD # 7 cover contaminants such as TTHM, Coliform (TCR), LEAD AND COPPER RULE REVISIONS; they remain historical EPA registry entries, not a current compliance or drinkability score.
MAYES CO RWD # 7 has 6 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. 4 distinct EPA contaminant codes appear in this system's record, including TTHM, Coliform (TCR), LEAD AND COPPER RULE REVISIONS. Recorded violations span 1986–2024. 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)
- OK3004627
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Locust Grove, OK
- Population Served
- 538
- Health Violations
- Yes (6)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 2 | 2 |
| Coliform (TCR) | 2 | 2 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
| Coliform (Pre-TCR) | 1 | 1 |
Violation History (6)
| Contaminant | Health | Date |
|---|---|---|
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| TTHM | Yes | Oct 1, 2015 |
| TTHM | Yes | Jul 1, 2015 |
| Coliform (TCR) | Yes | Mar 1, 1999 |
| Coliform (TCR) | Yes | Sep 1, 1998 |
| Coliform (Pre-TCR) | Yes | Apr 1, 1986 |
Frequently Asked Questions
What does EPA SDWIS list for MAYES CO RWD # 7?
How many people does MAYES CO RWD # 7 serve?
What violations does MAYES CO RWD # 7 have?
What contaminants have been found in MAYES CO RWD # 7 water?
Compare beyond Oklahoma
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest MAYES CO RWD # 7 on cumulative violation count (6) and EPA-reported population served (538). Violation-count peers include CHEROKEE WATER SYSTEM, LAME DEER WATER SYSTEM, FOUR BEARS WATER SYSTEM. Population peers include WOODLAND PARK MUTUAL WATER CO, TALL PINES RESORT COMMUNITY SYS1, DEERFIELD PARK.
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 # 7 (OK3004627) is drawn from EPA SDWIS. Nearby county systems in this extract include MAYES CO RWD #4; MAYES CO RWD # 5; MAYES CO RWD # 9; MAYES CO RWD # 3. Health-based rows (6 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.