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Tap water quality report

Minnehaha Community Water Corp

EPA monitoring tested this supplier for 50 contaminants and detected 12. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

50
contaminants tested
12
detected
13,435
people served
3
health-based violations
South Dakota rankingsLead in South DakotaPFAS in South Dakota
Water source
Ground water
Ownership
Private
Counties served
Lincoln, McCook, Minnehaha

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.

3
health-based violations
12
violations on file
0
still open
ViolationTypeStatusPeriod
MCL Health-based Resolved 1994-08-01 → 1994-08-31
MCL Health-based Resolved 1994-08-01 → 1994-08-31
MCL Health-based Resolved 1994-08-01 → 1994-08-31
MON Monitoring Resolved 2018-09-01 → 2018-09-30
MON Monitoring Resolved 2018-09-01 → 2018-09-30
MON Monitoring Resolved 2018-09-01 → 2018-09-30
MR Monitoring Resolved 2018-07-01 → 2018-09-30
MR Monitoring Resolved 2018-07-01 → 2018-09-30
MR Monitoring Resolved 2018-07-01 → 2018-09-30
MR Monitoring Resolved 1995-01-01 → 1995-12-31

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 single worst sample on record — over 100% is worth reading, but is not by itself a violation. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Copper
100 µg/L 7.7%
of the EPA limit 1300 µg/L
 70/70 SYR4 2012–2018
Lead
12.9 µg/L 86%
of the EPA limit 15 µg/L
 70/70 SYR4 2012–2018
Lead
0.0010 mg/L 6.7%
of the EPA limit 0.0150 mg/L
 14/14 LCR 2024
TTHM
61.1 µg/L 76%
of the EPA limit 80 µg/L
 13/13 SYR4 2012–2019
Total Haloacetic Acids (HAA5)
28 µg/L 47%
of the EPA limit 60 µg/L
 13/13 SYR4 2012–2019
Nitrate
2300 µg/L 23%
of the EPA limit 10000 µg/L
 6/12 SYR4 2017–2019
Lithium
37.5 µg/L
No EPA limit set
 4/4 UCMR-5 2024
Barium
16.7 µg/L 0.8%
of the EPA limit 2000 µg/L
 2/2 SYR4 2012
Chromium
0.8000 µg/L 0.8%
of the EPA limit 100 µg/L
 2/2 SYR4 2012
Selenium
1.7 µg/L 3.4%
of the EPA limit 50 µg/L
 2/2 SYR4 2012
Antimony, Total
0.4000 µg/L 6.7%
of the EPA limit 6 µg/L
 1/2 SYR4 2012
Gross Alpha, Excl. Radon And U
1 pCi/L 6.7%
of the EPA limit 15 pCi/L
 1/2 SYR4 2012
38 contaminants tested, none detected
11Cl-PF3OUdS4:2 Fts6:2 Fts8:2 Fts9Cl-PF3ONSAdonaArsenicBeryllium, TotalCadmiumCombined Radium (-226 And -228)Combined UraniumGross Beta Particle ActivityHfpo-DaMercuryNetfosaaNfdhaNmefosaaNitritePfbaPFBSPfdaPfdoaPfeesaPfhpaPfhpsPfhxaPFHXSPfmbaPfmpaPFNAPFOAPFOSPfpeaPfpesPftaPftrdaPfunaThallium, Total

Utility contact

Contact
NATHAN VRCHOTA
Phone
6059105870
Email
mcwctreatment@outlook.com

Frequently asked questions about Minnehaha Community Water Corp

Is Minnehaha Community Water Corp tap water safe to drink?

EPA monitoring detected 12 contaminants in Minnehaha Community Water Corp'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 Minnehaha Community Water Corp's water?

EPA monitoring detected Copper, Lead, Lead, TTHM, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.

How many people does Minnehaha Community Water Corp serve?

Minnehaha Community Water Corp reports serving 13,435 people in South Dakota, per its EPA record.

Has Minnehaha Community Water Corp had any water quality violations?

The EPA has 12 violations on file for Minnehaha Community Water Corp, of which 3 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.