Is Grand Chute Tn San Dist 1 Tap Water Safe? Quality Report

Water source: SWP
Ownership: Local government
Counties served: Outagamie

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	2010-10-01 → 2010-10-31
MCL	Health-based	Resolved	2010-10-01 → 2010-10-31
MCL	Health-based	Resolved	2010-10-01 → 2010-10-31
MCL	Health-based	Resolved	2010-10-01 → 2010-10-31
MCL	Health-based	Resolved	2010-07-01 → 2010-07-31
MCL	Health-based	Resolved	2010-07-01 → 2010-07-31
MCL	Health-based	Resolved	2010-07-01 → 2010-07-31
MCL	Health-based	Resolved	2010-07-01 → 2010-07-31
MON	Monitoring	Resolved	2024-10-01 → 2024-10-31
MON	Monitoring	Resolved	2024-10-01 → 2024-10-31

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
Dichloroacetic Acid	18 µg/L No EPA limit set worst single sample: 22 µg/L	116/116	SYR4	2012–2019
Total Haloacetic Acids (HAA5)	27.15 µg/L 45% of the EPA limit 60 µg/L worst single sample: 30.5 µg/L	116/116	SYR4	2012–2019
Trichloroacetic Acid	9.625 µg/L No EPA limit set worst single sample: 12 µg/L	116/116	SYR4	2012–2019
Bromodichloromethane	5.445 µg/L No EPA limit set worst single sample: 6.3 µg/L	112/112	SYR4	2012–2019
Chloroform	44 µg/L No EPA limit set worst single sample: 48 µg/L	112/112	SYR4	2012–2019
TTHM	49.545 µg/L 62% of the EPA limit 80 µg/L worst single sample: 54 µg/L	112/112	SYR4	2012–2019
Copper	139.2 µg/L 11% of the EPA limit 1300 µg/L worst single sample: 472 µg/L	55/60	SYR4	2014–2017
Lead	0.0031 mg/L 21% of the EPA limit 0.0150 mg/L	15/15	LCR	2023
Lead	11.86 µg/L 79% of the EPA limit 15 µg/L worst single sample: 15.1 µg/L	10/60	SYR4	2014–2017
Dibromochloromethane	0.7580 µg/L No EPA limit set worst single sample: 0.7600 µg/L	5/112	SYR4	2012–2019
Dibromoacetic Acid	1.6 µg/L No EPA limit set	1/116	SYR4	2012–2019
Monobromoacetic Acid	0.7700 µg/L No EPA limit set	1/116	SYR4	2012–2019

2 contaminants tested, none detected

BromoformMonochloroacetic Acid

Utility contact

Frequently asked questions about Grand Chute Tn San Dist 1

Is Grand Chute Tn San Dist 1 tap water safe to drink?

EPA monitoring detected 12 contaminants in Grand Chute Tn San Dist 1'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 Grand Chute Tn San Dist 1's water?

EPA monitoring detected Dichloroacetic Acid, Total Haloacetic Acids (HAA5), Trichloroacetic Acid, Bromodichloromethane, Chloroform, and others. The full list with the level and data source for each is above.

How many people does Grand Chute Tn San Dist 1 serve?

Grand Chute Tn San Dist 1 reports serving 21,583 people in Wisconsin, per its EPA record.

Has Grand Chute Tn San Dist 1 had any water quality violations?

The EPA has 36 violations on file for Grand Chute Tn San Dist 1, of which 8 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.