DALLAS, OK · Bryan County
OAK HILLS WATER SYSTEMS, INC. Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of July 28, 2017. 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 Bryan 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)
- OK2000710
- System type
- Community Water System
- Population served
- 76
- Service connections
- 38
- Ownership
- privately owned
- Water source
- groundwater (wells)
OAK HILLS WATER SYSTEMS, INC. is one of 1,277 community water systems in Oklahoma in the 500 or fewer people size category, formerly serving 76 people from groundwater.
EPA's federal records list this system as inactive in 2017; the record below is historical.
As of August 1, 2026, its federal record holds 6 entries between 2001 and 2016, all of which EPA lists as closed. Nothing has been added since 2016.
Of the 6, 5 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Total Coliform Rules and the Lead and Copper Rule.
Violation history
Follow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2016 – July 28, 2017
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 2013 – August 31, 2013
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
June 1, 2005 – June 30, 2005
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
May 1, 2001 – May 31, 2001
ResolvedMonitoring, Repeat Minor (TCR)
—Coliform (TCR)
May 1, 2001 – May 31, 2001
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
February 1, 2001 – February 28, 2001
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2016 – July 28, 2017 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| August 1, 2013 – August 31, 2013 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| June 1, 2005 – June 30, 2005 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| May 1, 2001 – May 31, 2001 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| May 1, 2001 – May 31, 2001 | Monitoring, Repeat Minor (TCR) | Coliform (TCR) | — | Resolved |
| February 1, 2001 – February 28, 2001 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- October 10, 2018State no longer subject to Rule2 linked violations
- April 20, 2017State Public Notification requested1 linked violation
- January 5, 2017State Compliance achieved4 linked violations
- December 19, 2016State Public Notification requested4 linked violations
- October 28, 2016State Compliance achieved1 linked violation
- August 4, 2016State Compliance achieved2 linked violations
- August 4, 2016State Compliance achieved1 linked violation
- August 4, 2016State Compliance achieved6 linked violations
- August 4, 2016State Compliance achieved29 linked violations
- August 4, 2016State Compliance achieved29 linked violations
- August 4, 2016State Compliance achieved1 linked violation
- August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- August 4, 2016State Compliance achieved1 linked violation
- August 4, 2016State Compliance achieved1 linked violation
- August 4, 2016State Compliance achieved1 linked violation
- August 4, 2016State Compliance achieved1 linked violation
- August 4, 2016State Compliance achieved1 linked violation
- August 11, 2015State Compliance achieved2 linked violations
- January 14, 2015State Violation/Reminder Notice2 linked violations
- January 5, 2015State Compliance achieved3 linked violations
- September 10, 2014State Public Notification requested3 linked violations
- March 10, 2014State Public Notification requested2 linked violations
- October 10, 2013State Public Notification requested2 linked violations
- August 31, 2013State Compliance achieved2 linked violations
- February 13, 2013State Compliance achieved2 linked violations
- January 16, 2013State Public Notification requested2 linked violations
- August 25, 2011State Public Notification requested2 linked violations
- August 15, 2005State Public Notification requested4 linked violations
- May 31, 2001State Violation/Reminder Notice4 linked violations
- July 19, 1993State Compliance achieved1 linked violation
Last known contact on file (system is inactive)
OAK HILLS WATER SYSTEM, INC
214-676-7634
DALLAS, TX 75230