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Water utility · Osage County · Oklahoma

Grayhorse RWD

Total trihalomethanes (TTHM) above the legal limit in the period starting October 2025.

Serves about 100 people (108 connections) with surface water bought from Fairfax.

  • PWSID OK3005717
  • EPA registered name: GRAYHORSE RWD
  • EPA record checked May 13, 2026
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Contact

Contact Grayhorse RWD

From EPA's record for OK3005717. PurityMap is independent of Grayhorse RWD.

Mailing address
Todd Kelly, Chairperson, P.O. Box 84
FAIRFAX, OK 74637
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EPA compliance record

What EPA's record shows

60 health-based violations in the last 10 years, from EPA's SDWIS compliance database.

  • Total trihalomethanes (TTHM), a by-product of disinfecting water with chlorine, were above the legal limit in 15 quarters since April 2022.
  • Haloacetic acids (HAA5), a by-product of disinfecting water with chlorine, were above the legal limit in 10 quarters since April 2022.
Recent health-based violations for Grayhorse RWD (PWSID OK3005717)
PeriodContaminantMeasuredLegal limitEPA status
Oct–Dec 2025Total trihalomethanes (TTHM)0.115 mg/L0.080 mg/LArchived
Oct–Dec 2025Haloacetic acids (HAA5)0.068 mg/L0.060 mg/LArchived
Jul–Sep 2025Total trihalomethanes (TTHM)0.102 mg/L0.080 mg/LArchived
Jul–Sep 2025Haloacetic acids (HAA5)0.074 mg/L0.060 mg/LArchived
Apr–Jun 2025Total trihalomethanes (TTHM)0.115 mg/L0.080 mg/LArchived
Show all 25
PeriodContaminantMeasuredLegal limitEPA status
Apr–Jun 2025Haloacetic acids (HAA5)0.076 mg/L0.060 mg/LArchived
Jan–Mar 2025Total trihalomethanes (TTHM)0.113 mg/L0.080 mg/LArchived
Oct–Dec 2024Total trihalomethanes (TTHM)0.104 mg/L0.080 mg/LArchived
Jul–Sep 2024Total trihalomethanes (TTHM)0.111 mg/L0.080 mg/LArchived
Apr–Jun 2024Total trihalomethanes (TTHM)0.096 mg/L0.080 mg/LArchived
Jan–Mar 2024Total trihalomethanes (TTHM)0.096 mg/L0.080 mg/LArchived
Oct–Dec 2023Total trihalomethanes (TTHM)0.123 mg/L0.080 mg/LArchived
Oct–Dec 2023Haloacetic acids (HAA5)0.07 mg/L0.060 mg/LArchived
Jul–Sep 2023Total trihalomethanes (TTHM)0.138 mg/L0.080 mg/LArchived
Jul–Sep 2023Haloacetic acids (HAA5)0.072 mg/L0.060 mg/LArchived
Apr–Jun 2023Total trihalomethanes (TTHM)0.164 mg/L0.080 mg/LArchived
Apr–Jun 2023Haloacetic acids (HAA5)0.089 mg/L0.060 mg/LArchived
Jan–Mar 2023Total trihalomethanes (TTHM)0.166 mg/L0.080 mg/LArchived
Jan–Mar 2023Haloacetic acids (HAA5)0.105 mg/L0.060 mg/LArchived
Oct–Dec 2022Total trihalomethanes (TTHM)0.142 mg/L0.080 mg/LArchived
Oct–Dec 2022Haloacetic acids (HAA5)0.083 mg/L0.060 mg/LArchived
Jul–Sep 2022Total trihalomethanes (TTHM)0.134 mg/L0.080 mg/LResolved
Jul–Sep 2022Haloacetic acids (HAA5)0.076 mg/L0.060 mg/LResolved
Apr–Jun 2022Total trihalomethanes (TTHM)0.158 mg/L0.080 mg/LArchived
Apr–Jun 2022Haloacetic acids (HAA5)0.08 mg/L0.060 mg/LArchived
  • Lead: the 90th-percentile result in the latest lead and copper round (the round ending December 31, 2020) was 3.7 µg/L. The federal action level is 15 µg/L, a trigger for more treatment steps, not a legal limit.
  • Missed or late tests or reports: 34 in 10 years.
  • EPA lists 202 enforcement actions in 10 years; the latest on February 19, 2026.

No lab results for other contaminants (like PFAS) are on file for this system. EPA required that testing from systems serving more than 3,300 people, plus a sample of smaller ones.

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Questions

About Grayhorse RWD

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Where does Grayhorse RWD get its water?

According to EPA's record, Grayhorse RWD uses surface water bought from Fairfax.

Does Grayhorse RWD have any EPA violations?

EPA's record shows 60 health-based violations for Grayhorse RWD in the 10 years to July 9, 2026. Total trihalomethanes (TTHM) were above the legal limit in the period starting October 2025. EPA also lists 34 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.

What is Grayhorse RWD's latest lead result?

The 90th-percentile lead result in Grayhorse RWD's latest lead and copper round, which ended in December 2020, was 3.7 µg/L, below the federal action level of 15 µg/L.

Who do I contact about my Grayhorse RWD water bill?

PurityMap has no verified website for Grayhorse RWD. Its mailing address on EPA record is Todd Kelly, Chairperson, P.O. Box 84, FAIRFAX, OK 74637. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.