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Tap water quality report

Rock Creek

EPA monitoring tested this supplier for 41 contaminants and detected 8. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

41
contaminants tested
8
detected
33
people served
5
health-based violations
Oklahoma rankingsLead in OklahomaPFAS in Oklahoma
Water source
Ground water
Ownership
Private
Counties served
Logan

Compliance record

Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.

5
health-based violations
4,526
violations on file
95
still open
ViolationTypeStatusPeriod
TT Health-based Addressed 2024-10-17
TT Health-based Addressed 2024-10-17
TT Health-based Resolved 2022-09-24
TT Health-based Resolved 2022-09-24
MCL Health-based Resolved 1992-09-01 → 1992-09-30
MR Monitoring Archived 2026-02-01 → 2026-02-28
MON Monitoring Archived 2026-02-01 → 2026-02-28
MR Monitoring Addressed 2026-01-01
MR Monitoring Addressed 2026-01-01
MR Monitoring Addressed 2026-01-01

Other contaminants detected

Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the 95th percentile of this system's samples — over 100% is worth reading, but is not by itself a violation. Where a single sample came in higher than that percentile, it is noted under the bar. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Nitrate-Nitrite
1805.5 µg/L 18%
of the EPA limit 10000 µg/L
worst single sample: 1810 µg/L
30/30 SYR4 2012–2015
Copper
121.1 µg/L 9.3%
of the EPA limit 1300 µg/L
worst single sample: 155 µg/L
27/31 SYR4 2013–2015
Lead
0.0 mg/L 0%
of the EPA limit 0.0150 mg/L
 12/12 LCR 2015
Combined Uranium
1 µg/L 3.3%
of the EPA limit 30 µg/L
 3/3 SYR4 2013
Arsenic
2.1 µg/L 21%
of the EPA limit 10 µg/L
 1/4 SYR4 2012
Combined Radium (-226 And -228)
1.03 pCi/L 21%
of the EPA limit 5 pCi/L
 1/3 SYR4 2013
Gross Alpha, Excl. Radon And U
1.49 pCi/L 9.9%
of the EPA limit 15 pCi/L
 1/3 SYR4 2013
Lead
7.5 µg/L 50%
of the EPA limit 15 µg/L
 1/31 SYR4 2013–2015
33 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-DichloropropaneBenzeneBromodichloromethaneBromoformChlorobenzeneCarbon TetrachlorideChloroformDichloromethaneDibromoacetic AcidDibromochloromethaneDichloroacetic AcidEthylbenzeneGross Beta Particle ActivityMonobromoacetic AcidMonochloroacetic AcidStyreneTTHMTetrachloroethyleneTolueneTotal Haloacetic Acids (HAA5)Trichloroacetic AcidTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
ROCK CREEK
Email
castillo6322@sbcglobal.net

Frequently asked questions about Rock Creek

Is Rock Creek tap water safe to drink?

EPA monitoring detected 8 contaminants in Rock Creek's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.

What contaminants were detected in Rock Creek's water?

EPA monitoring detected Nitrate-Nitrite, Copper, Lead, Combined Uranium, Arsenic, and others. The full list with the level and data source for each is above.

How many people does Rock Creek serve?

Rock Creek reports serving 33 people in Oklahoma, per its EPA record.

Has Rock Creek had any water quality violations?

The EPA has 4526 violations on file for Rock Creek, of which 5 are health-based (a contaminant limit or required treatment was breached) and 95 remain open. The rest are monitoring or reporting failures.

Where does this data come from?

Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.