HAMMON, OK · Roger Mills County
HAMMON Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of December 1, 1994. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in Roger Mills County, OK.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Oklahoma’s official records. Always confirm current status with Oklahoma before making decisions based on this information.
System facts
- System ID (PWSID)
- OK2006503
- System type
- Community Water System
- Population served
- 700
- Service connections
- 300
- Ownership
- privately owned
- Water source
- groundwater (wells)
HAMMON is one of 511 community water systems in Oklahoma in the 501 to 3,300 people size category, formerly serving 700 people from groundwater.
EPA's federal records list this system as inactive in 1994; the record below is historical.
As of August 1, 2026, its federal record holds 1 entry in 1994, all of which EPA lists as closed. Nothing has been added since 1994.
None of the 1 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves inorganic chemicals.
Violation history
Maximum Contaminant Level Violation, Average
Health-basedNitrate
April 1, 1994 – June 30, 1994
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| April 1, 1994 – June 30, 1994 | Maximum Contaminant Level Violation, Average | Nitrate | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- October 10, 2018State no longer subject to Rule37 linked violations
- October 10, 2018State no longer subject to Rule2 linked violations
- October 10, 2018State no longer subject to Rule2 linked violations
- October 10, 2018State no longer subject to Rule3 linked violations
- October 10, 2018State no longer subject to Rule54 linked violations
- October 10, 2018State no longer subject to Rule4 linked violations
- October 10, 2018State no longer subject to Rule1 linked violation
- July 1, 1994State Administrative/Compliance Order without penalty issued4 linked violations
- July 21, 1992State Consent Decree/Judgement10 linked violations
- September 30, 1981State Administrative/Compliance Order without penalty issued1 linked violation
Last known contact on file (system is inactive)
Not on record
405-473-2281
HAMMON, OK 73650