Is Vance Afb Tap Water Safe? Quality Report

Water source: GWP
Ownership: Federal government
Counties served: Garfield

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.

health-based violations

violations on file

still open

Violation	Type	Status	Period
MCL	Health-based	Resolved	2014-09-01 → 2014-09-30
MCL	Health-based	Resolved	2014-09-01 → 2014-09-30
MCL	Health-based	Resolved	2014-09-01 → 2014-09-30
MCL	Health-based	Resolved	2014-09-01 → 2014-09-30
MCL	Health-based	Resolved	2008-08-01 → 2008-08-31
MCL	Health-based	Resolved	2008-08-01 → 2008-08-31
MCL	Health-based	Resolved	2008-08-01 → 2008-08-31
MCL	Health-based	Resolved	2008-08-01 → 2008-08-31
MCL	Health-based	Resolved	2004-11-01 → 2004-11-30
MCL	Health-based	Resolved	2004-11-01 → 2004-11-30

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.

Contaminant	Level vs EPA limit	Detection rate	Source	Period
Copper	950.85 µg/L 73% of the EPA limit 1300 µg/L worst single sample: 1640 µg/L	192/193	SYR4	2015–2019
Lead	56.895 µg/L 379% of the EPA limit, at the 95th percentile of samples — 15 µg/L worst single sample: 127 µg/L	42/193	SYR4	2015–2019
Lead	0.0 mg/L 0% of the EPA limit 0.0150 mg/L	24/24	LCR	2025
TTHM	51.19 µg/L 64% of the EPA limit 80 µg/L worst single sample: 57.3 µg/L	14/14	SYR4	2013–2019
Bromodichloromethane	8.7655 µg/L No EPA limit set worst single sample: 9.09 µg/L	12/12	SYR4	2014–2019
Chloroform	3.63 µg/L No EPA limit set worst single sample: 3.85 µg/L	12/12	SYR4	2014–2019
Dibromochloromethane	17.83 µg/L No EPA limit set worst single sample: 18.6 µg/L	12/12	SYR4	2014–2019
Bromoform	23.9 µg/L No EPA limit set worst single sample: 29.6 µg/L	11/12	SYR4	2014–2019
Total Haloacetic Acids (HAA5)	6.402 µg/L 11% of the EPA limit 60 µg/L worst single sample: 6.92 µg/L	5/14	SYR4	2013–2019
Dibromoacetic Acid	4.5875 µg/L No EPA limit set worst single sample: 4.91 µg/L	4/12	SYR4	2014–2019
Dichloroacetic Acid	1.988 µg/L No EPA limit set worst single sample: 2.01 µg/L	2/12	SYR4	2014–2019

3 contaminants tested, none detected

Monobromoacetic AcidMonochloroacetic AcidTrichloroacetic Acid

Utility contact

Contact: VANCE AFB
Phone: 580-213-6248
Email: [email protected]

Frequently asked questions about Vance Afb

Is Vance Afb tap water safe to drink?

EPA monitoring detected 11 contaminants in Vance Afb'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 Vance Afb's water?

EPA monitoring detected Copper, Lead, Lead, TTHM, Bromodichloromethane, and others. The full list with the level and data source for each is above.

How many people does Vance Afb serve?

Vance Afb reports serving 3,231 people in Oklahoma, per its EPA record.

Has Vance Afb had any water quality violations?

The EPA has 15 violations on file for Vance Afb, of which 12 are health-based (a contaminant limit or required treatment was breached) and 0 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.