HILLSDALE PWA
PWSID: OK3002404 · Hillsdale, OK · Serves 110 people
According to EPA Safe Drinking Water Information System (SDWIS), HILLSDALE PWA (PWSID OK3002404) in Hillsdale, OK is listed as a CWS water system covering about 110 people. The same extract lists 5 health-based violation records spanning 1981-2024. Those 5 health-based rows for HILLSDALE PWA cover contaminants such as Coliform (Pre-TCR), LEAD AND COPPER RULE REVISIONS; they remain historical EPA registry entries, not a current compliance or drinkability score.
HILLSDALE PWA 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. 2 distinct EPA contaminant codes appear in this system's record, including Coliform (Pre-TCR), LEAD AND COPPER RULE REVISIONS. Recorded violations span 1981–2024. 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)
- OK3002404
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Hillsdale, OK
- Population Served
- 110
- Health Violations
- Yes (5)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Coliform (Pre-TCR) | 4 | 4 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
Violation History (5)
| Contaminant | Health | Date |
|---|---|---|
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| Coliform (Pre-TCR) | Yes | Jun 1, 1986 |
| Coliform (Pre-TCR) | Yes | May 1, 1986 |
| Coliform (Pre-TCR) | Yes | Jan 1, 1986 |
| Coliform (Pre-TCR) | Yes | Feb 28, 1981 |
Frequently Asked Questions
What does EPA SDWIS list for HILLSDALE PWA?
How many people does HILLSDALE PWA serve?
What violations does HILLSDALE PWA have?
What contaminants have been found in HILLSDALE PWA water?
Compare beyond Oklahoma
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest HILLSDALE PWA on cumulative violation count (5) and EPA-reported population served (110). Violation-count peers include Jemez Pueblo, Acoma Main, OMAHA TRIBE PWS.
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
HILLSDALE PWA (OK3002404) is drawn from EPA SDWIS. Nearby county systems in this extract include VANCE AFB; GARFIELD CO RWD #5; LOGAN CO RWS & SWMD #3; WAUKOMIS PWA. 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.