Is Hardyston Twp Mua Tap Water Safe? Quality Report

Water source: Ground water
Ownership: Local government
Counties served: Sussex

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

198

violations on file

still open

Violation	Type	Status	Period
Other	Monitoring	Resolved	2025-07-01
Other	Monitoring	Resolved	2025-07-01
MR	Monitoring	Unaddressed	2024-12-30
Other	Monitoring	Resolved	2022-10-01
Other	Monitoring	Resolved	2022-10-01
Other	Monitoring	Resolved	2019-07-01
Other	Monitoring	Resolved	2019-07-01
MR	Monitoring	Resolved	2019-04-01 → 2019-06-30
MR	Monitoring	Resolved	2019-04-01 → 2019-06-30
MR	Monitoring	Resolved	2019-04-01 → 2019-06-30

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	220.4 µg/L 17% of the EPA limit 1300 µg/L worst single sample: 435 µg/L	35/36	SYR4	2012–2018
Chloroform	1.6945 µg/L No EPA limit set worst single sample: 2.7 µg/L	34/48	SYR4	2012–2019
Nitrate	2128 µg/L 21% of the EPA limit 10000 µg/L worst single sample: 2150 µg/L	32/32	SYR4	2012–2019
Bromodichloromethane	1.72 µg/L No EPA limit set worst single sample: 2.6 µg/L	31/48	SYR4	2012–2019
Dibromochloromethane	1.63 µg/L No EPA limit set worst single sample: 1.7 µg/L	31/48	SYR4	2012–2019
Lead	1.865 µg/L 12% of the EPA limit 15 µg/L worst single sample: 2.3 µg/L	30/30	SYR4	2012–2018
Lead	0.0 mg/L 0% of the EPA limit 0.0150 mg/L	14/14	LCR	2024
TTHM	6.04 µg/L 7.6% of the EPA limit 80 µg/L worst single sample: 7.6 µg/L	13/16	SYR4	2012–2019
Bromoform	0.6000 µg/L No EPA limit set	12/48	SYR4	2012–2019
Barium	18.2 µg/L 0.9% of the EPA limit 2000 µg/L worst single sample: 18.6 µg/L	6/6	SYR4	2012–2018
Fluoride	615 µg/L 15% of the EPA limit 4000 µg/L worst single sample: 680 µg/L	6/12	SYR4	2012–2018
Selenium	1.64 µg/L 3.3% of the EPA limit 50 µg/L worst single sample: 1.7 µg/L	4/6	SYR4	2012–2018
Arsenic	0.5680 µg/L 5.7% of the EPA limit 10 µg/L worst single sample: 0.5900 µg/L	3/6	SYR4	2012–2018
Total Haloacetic Acids (HAA5)	1.18 µg/L 2% of the EPA limit 60 µg/L worst single sample: 1.2 µg/L	3/16	SYR4	2012–2019
Chromium	2.355 µg/L 2.4% of the EPA limit 100 µg/L worst single sample: 2.4 µg/L	2/6	SYR4	2012–2018
Combined Radium (-226 And -228)	3.379 pCi/L 68% of the EPA limit 5 pCi/L worst single sample: 3.5 pCi/L	2/2	SYR4	2012–2015
Dibromoacetic Acid	0.4795 µg/L No EPA limit set worst single sample: 0.4900 µg/L	2/16	SYR4	2012–2019
Dichloroacetic Acid	1.1655 µg/L No EPA limit set worst single sample: 1.2 µg/L	2/16	SYR4	2012–2019
Mercury	0.0410 µg/L 2.1% of the EPA limit 2 µg/L	1/6	SYR4	2012–2018

32 contaminants tested, none detected

1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-DichloropropaneAntimony, TotalAsbestosBenzeneBeryllium, TotalChlorobenzeneCyanideCadmiumCarbon TetrachlorideDichloromethaneEthylene DibromideEthylbenzeneMonobromoacetic AcidMonochloroacetic AcidStyreneTetrachloroethyleneThallium, TotalTolueneTrichloroacetic AcidTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact: SCHULTZ, BOB
Phone: 973-823-7020

Frequently asked questions about Hardyston Twp Mua

Is Hardyston Twp Mua tap water safe to drink?

EPA monitoring detected 19 contaminants in Hardyston Twp Mua'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 Hardyston Twp Mua's water?

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

How many people does Hardyston Twp Mua serve?

Hardyston Twp Mua reports serving 1,963 people in New Jersey, per its EPA record.

Has Hardyston Twp Mua had any water quality violations?

The EPA has 198 violations on file for Hardyston Twp Mua, of which 0 are health-based (a contaminant limit or required treatment was breached) and 1 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.