Is Waupun Utilities Tap Water Safe? Quality Report

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

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	2000-08-01 → 2000-08-31
MCL	Health-based	Resolved	2000-08-01 → 2000-08-31
MCL	Health-based	Resolved	1995-05-01 → 1995-05-31
MCL	Health-based	Resolved	1995-05-01 → 1995-05-31
MCL	Health-based	Resolved	1995-05-01 → 1995-05-31
MCL	Health-based	Resolved	1995-05-01 → 1995-05-31
MR	Monitoring	Resolved	2014-01-01 → 2014-12-31
MR	Monitoring	Resolved	2014-01-01 → 2014-12-31
MR	Monitoring	Resolved	2014-01-01 → 2014-12-31
MR	Monitoring	Resolved	2014-01-01 → 2014-12-31

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
Fluoride	1250 µg/L 31% of the EPA limit 4000 µg/L worst single sample: 1310 µg/L	98/194	SYR4	2012–2019
Copper	184.95 µg/L 14% of the EPA limit 1300 µg/L worst single sample: 205 µg/L	40/40	SYR4	2014–2017
Combined Radium (-226 And -228)	6.08 pCi/L 122% of the EPA limit, at the 95th percentile of samples — 5 pCi/L worst single sample: 6.8 pCi/L	19/19	SYR4	2012–2019
Gross Alpha, Excl. Radon And U	10.33 pCi/L 69% of the EPA limit 15 pCi/L worst single sample: 12.2 pCi/L	18/18	SYR4	2013–2019
Lead	0.0012 mg/L 8% of the EPA limit 0.0150 mg/L	15/15	LCR	2023
Chloroform	3.92 µg/L No EPA limit set worst single sample: 4.1 µg/L	13/17	SYR4	2013–2019
Bromodichloromethane	2 µg/L No EPA limit set	10/17	SYR4	2013–2019
Lead	9.18 µg/L 61% of the EPA limit 15 µg/L worst single sample: 12.6 µg/L	10/40	SYR4	2014–2017
TTHM	7.042 µg/L 8.8% of the EPA limit 80 µg/L worst single sample: 7.24 µg/L	10/10	SYR4	2015–2019
Total Haloacetic Acids (HAA5)	1.607 µg/L 2.7% of the EPA limit 60 µg/L worst single sample: 1.67 µg/L	10/10	SYR4	2015–2019
Dichloroacetic Acid	0.8500 µg/L No EPA limit set worst single sample: 0.8600 µg/L	6/10	SYR4	2015–2019
Trichloroacetic Acid	0.6720 µg/L No EPA limit set worst single sample: 0.6900 µg/L	4/10	SYR4	2015–2019
Barium	81.125 µg/L 4.1% of the EPA limit 2000 µg/L worst single sample: 81.2 µg/L	2/2	SYR4	2014–2017
Dibromoacetic Acid	0.1690 µg/L No EPA limit set worst single sample: 0.1700 µg/L	2/10	SYR4	2015–2019
Nitrate	190 µg/L 1.9% of the EPA limit 10000 µg/L	2/16	SYR4	2012–2019
Tetrachloroethylene	1.395 µg/L 28% of the EPA limit 5 µg/L worst single sample: 1.4 µg/L	2/10	SYR4	2012–2019
Dibromochloromethane	1.4 µg/L No EPA limit set	1/17	SYR4	2013–2019
Gross Beta Particle Activity	2.7 pCi/L No EPA limit set	1/1	SYR4	2014

87 contaminants tested, none detected

1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP2,4-D4:2 Fts6:2 Fts8:2 Fts9Cl-PF3ONSAdonaAntimony, TotalArsenicAtrazineBhc-GammaBenzeneBeryllium, TotalBromoformChlorobenzeneCadmiumCarbofuranCarbon TetrachlorideChlordaneChromiumDichloromethaneDalaponDinosebDiquatEndothallEndrinEthylbenzeneGlyphosateHexachlorobenzeneHfpo-DaHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorMonobromoacetic AcidMonochloroacetic AcidNetfosaaNfdhaNmefosaaNitrate-NitriteNitriteOxamylPfbaPFBSPfdaPfdoaPfeesaPfhpaPfhpsPfhxaPFHXSPfmbaPfmpaPFNAPFOAPFOSPfpeaPfpesPftaPftrdaPfunaPentachlorophenolPicloramSeleniumSimazineStyreneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneLithiumO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Frequently asked questions about Waupun Utilities

Is Waupun Utilities tap water safe to drink?

EPA monitoring detected 18 contaminants in Waupun Utilities'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 Waupun Utilities's water?

EPA monitoring detected Fluoride, Copper, Combined Radium (-226 And -228), Gross Alpha, Excl. Radon And U, Lead, and others. The full list with the level and data source for each is above.

How many people does Waupun Utilities serve?

Waupun Utilities reports serving 8,056 people in Wisconsin, per its EPA record.

Has Waupun Utilities had any water quality violations?

The EPA has 18 violations on file for Waupun Utilities, of which 6 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.