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Tap water quality report

Gc Mankato Hill Llc

EPA monitoring tested this supplier for 37 contaminants and detected 7. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

37
contaminants tested
7
detected
140
people served
2
health-based violations
Minnesota rankingsLead in MinnesotaPFAS in Minnesota
Water source
Ground water
Ownership
Private
Counties served
Blue Earth

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.

2
health-based violations
27
violations on file
0
still open
ViolationTypeStatusPeriod
TT Health-based Resolved 2026-04-01
TT Health-based Resolved 2026-04-01
MR Monitoring Resolved 2026-01-01
MR Monitoring Resolved 2026-01-01
MR Monitoring Resolved 2026-01-01
MR Monitoring Archived 2025-04-01 → 2025-06-30
MR Monitoring Archived 2025-04-01 → 2025-06-30
MON Monitoring Resolved 2025-01-01 → 2025-03-31
MON Monitoring Resolved 2025-01-01 → 2025-03-31
MON Monitoring Resolved 2025-01-01 → 2025-03-31

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
Copper
709.9 µg/L 55%
of the EPA limit 1300 µg/L
worst single sample: 1290 µg/L
40/40 SYR4 2014–2019
Lead
44.245 µg/L 295%
of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 44.5 µg/L
18/40 SYR4 2014–2019
Lead
0.0050 mg/L 33%
of the EPA limit 0.0150 mg/L
 11/11 LCR 2025
Arsenic
7.7695 µg/L 78%
of the EPA limit 10 µg/L
worst single sample: 7.84 µg/L
4/4 SYR4 2013–2019
Chloroform
0.8750 µg/L
No EPA limit set
worst single sample: 0.9000 µg/L
2/5 SYR4 2012–2018
Dichloroacetic Acid
1.19 µg/L
No EPA limit set
worst single sample: 1.2 µg/L
2/4 SYR4 2012–2018
Gross Alpha, Excl. Radon And U
6.5 pCi/L 43%
of the EPA limit 15 pCi/L
 1/1 SYR4 2016
30 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-DichloropropaneBenzeneBromodichloromethaneBromoformChlorobenzeneCarbon TetrachlorideDichloromethaneDibromoacetic AcidDibromochloromethaneEthylene DibromideEthylbenzeneMonobromoacetic AcidMonochloroacetic AcidNitrate-NitriteStyreneTetrachloroethyleneTolueneTrichloroacetic AcidTrichloroethyleneVinyl Chloridecis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Email
[email protected]

Frequently asked questions about Gc Mankato Hill Llc

Is Gc Mankato Hill Llc tap water safe to drink?

EPA monitoring detected 7 contaminants in Gc Mankato Hill Llc'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 Gc Mankato Hill Llc's water?

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

How many people does Gc Mankato Hill Llc serve?

Gc Mankato Hill Llc reports serving 140 people in Minnesota, per its EPA record.

Has Gc Mankato Hill Llc had any water quality violations?

The EPA has 27 violations on file for Gc Mankato Hill Llc, of which 2 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.