RALSTON
PWSID: OK2005901 · Ralston, OK · Serves 335 people
According to EPA Safe Drinking Water Information System (SDWIS), RALSTON (PWSID OK2005901) in Ralston, OK is listed as a CWS water system covering about 335 people. The same extract lists 8 health-based violation records spanning 1981-1997. Those 8 health-based rows for RALSTON cover contaminants such as Coliform (TCR), Coliform (Pre-TCR); they remain historical EPA registry entries, not a current compliance or drinkability score.
RALSTON has 8 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. 2 distinct EPA contaminant codes appear in this system's record, including Coliform (TCR), Coliform (Pre-TCR). Recorded violations span 1981–1997. 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)
- OK2005901
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Ralston, OK
- Population Served
- 335
- Health Violations
- Yes (8)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Coliform (TCR) | 5 | 5 |
| Coliform (Pre-TCR) | 3 | 3 |
Violation History (8)
| Contaminant | Health | Date |
|---|---|---|
| Coliform (TCR) | Yes | Aug 1, 1997 |
| Coliform (TCR) | Yes | Aug 1, 1995 |
| Coliform (TCR) | Yes | May 1, 1995 |
| Coliform (TCR) | Yes | Jul 1, 1992 |
| Coliform (TCR) | Yes | Apr 1, 1991 |
| Coliform (Pre-TCR) | Yes | Oct 1, 1986 |
| Coliform (Pre-TCR) | Yes | Jun 30, 1983 |
| Coliform (Pre-TCR) | Yes | Sep 30, 1981 |
Frequently Asked Questions
What does EPA SDWIS list for RALSTON?
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What violations does RALSTON have?
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Compare beyond Oklahoma
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest RALSTON on cumulative violation count (8) and EPA-reported population served (335). Violation-count peers include Mashantucket Pequot Water System, San Ildefonso Pueblo, TOWAOC 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
RALSTON (OK2005901) is drawn from EPA SDWIS. Nearby county systems in this extract include BARTLESVILLE; SKIATOOK PWA; OSAGE CO RWD #15; PAWHUSKA. Health-based rows (8 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.