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Tap water quality report

Harmony Grove San Dist

EPA monitoring tested this supplier for 73 contaminants and detected 15. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

73
contaminants tested
15
detected
1,950
people served
13
health-based violations
Wisconsin rankingsLead in WisconsinPFAS in Wisconsin
Water source
Ground water
Ownership
Local government
Counties served
Columbia

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.

13
health-based violations
23
violations on file
0
still open
ViolationTypeStatusPeriod
MCL Health-based Resolved 2005-08-01 → 2005-08-31
MCL Health-based Resolved 2005-08-01 → 2005-08-31
MCL Health-based Resolved 2005-08-01 → 2005-08-31
MCL Health-based Resolved 2005-08-01 → 2005-08-31
MCL Health-based Resolved 2005-08-01 → 2005-08-31
MCL Health-based Resolved 1995-09-01 → 1995-09-30
MCL Health-based Resolved 1995-09-01 → 1995-09-30
MCL Health-based Resolved 1995-09-01 → 1995-09-30
MCL Health-based Resolved 1995-09-01 → 1995-09-30
MCL Health-based Resolved 1994-12-01 → 1994-12-31

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.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Nitrate
2870 µg/L 29%
of the EPA limit 10000 µg/L
worst single sample: 2900 µg/L
24/24 SYR4 2012–2019
Copper
220.5 µg/L 17%
of the EPA limit 1300 µg/L
worst single sample: 230 µg/L
20/20 SYR4 2014–2017
Lead
9.62 µg/L 64%
of the EPA limit 15 µg/L
worst single sample: 86 µg/L
20/20 SYR4 2014–2017
Lead
0.0032 mg/L 21%
of the EPA limit 0.0150 mg/L
 14/14 LCR 2023
Barium
14.7 µg/L 0.7%
of the EPA limit 2000 µg/L
worst single sample: 15 µg/L
4/4 SYR4 2014–2017
Nitrate-Nitrite
3150 µg/L 32%
of the EPA limit 10000 µg/L
worst single sample: 3300 µg/L
4/4 SYR4 2014–2017
Chromium
2.07 µg/L 2.1%
of the EPA limit 100 µg/L
worst single sample: 2.1 µg/L
3/4 SYR4 2014–2017
Total Haloacetic Acids (HAA5)
0.5610 µg/L 0.9%
of the EPA limit 60 µg/L
worst single sample: 0.5800 µg/L
3/8 SYR4 2013–2019
Combined Radium (-226 And -228)
0.9154 pCi/L 18%
of the EPA limit 5 pCi/L
worst single sample: 0.9170 pCi/L
2/2 SYR4 2017
Dichloroacetic Acid
0.3875 µg/L
No EPA limit set
worst single sample: 0.3900 µg/L
2/8 SYR4 2013–2019
TTHM
0.5605 µg/L 0.7%
of the EPA limit 80 µg/L
worst single sample: 0.5800 µg/L
2/10 SYR4 2013–2019
Bromodichloromethane
1 µg/L
No EPA limit set
 1/11 SYR4 2013–2019
Chloroform
1.4 µg/L
No EPA limit set
 1/11 SYR4 2013–2019
Dibromoacetic Acid
0.2400 µg/L
No EPA limit set
 1/8 SYR4 2013–2019
Dibromochloromethane
0.8800 µg/L
No EPA limit set
 1/11 SYR4 2013–2019
58 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-Dichloropropane2,4,5-TP2,4-DAntimony, TotalArsenicAtrazineBhc-GammaBenzeneBeryllium, TotalBromoformChlorobenzeneCadmiumCarbofuranCarbon TetrachlorideChlordaneDichloromethaneDalaponDinosebDiquatEndothallEndrinEthylbenzeneFluorideGlyphosateHexachlorobenzeneHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorMonobromoacetic AcidMonochloroacetic AcidNitriteOxamylPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroacetic AcidTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Frequently asked questions about Harmony Grove San Dist

Is Harmony Grove San Dist tap water safe to drink?

EPA monitoring detected 15 contaminants in Harmony Grove San Dist'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 Harmony Grove San Dist's water?

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

How many people does Harmony Grove San Dist serve?

Harmony Grove San Dist reports serving 1,950 people in Wisconsin, per its EPA record.

Has Harmony Grove San Dist had any water quality violations?

The EPA has 23 violations on file for Harmony Grove San Dist, of which 13 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.