Tap WaterIndex

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Tap water quality report

Gary

EPA monitoring tested this supplier for 5 contaminants and detected 5. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

5
contaminants tested
5
detected
240
people served
4
health-based violations
South Dakota rankingsLead in South DakotaPFAS in South Dakota
Water source
GWP
Ownership
Local government
Counties served
Deuel

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.

4
health-based violations
10
violations on file
0
still open
ViolationTypeStatusPeriod
TT Health-based Resolved 2024-02-28
TT Health-based Resolved 2024-02-28
TT Health-based Resolved 2010-02-01
TT Health-based Resolved 2010-02-01
Other Monitoring Resolved 2003-07-01
Other Monitoring Resolved 2003-07-01
Other Monitoring Resolved 2002-07-01
Other Monitoring Resolved 2002-07-01
MR Monitoring Archived 1976-07-01 → 1980-06-30
MR Monitoring Archived 1976-07-01 → 1980-06-30

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
Lead
0.0050 mg/L 33%
of the EPA limit 0.0150 mg/L
 13/13 LCR 2023
Copper
270 µg/L 21%
of the EPA limit 1300 µg/L
 10/10 SYR4 2014–2017
Lead
1.9 µg/L 13%
of the EPA limit 15 µg/L
 10/10 SYR4 2014–2017
TTHM
14 µg/L 18%
of the EPA limit 80 µg/L
 3/3 SYR4 2013–2017
Total Haloacetic Acids (HAA5)
4.97 µg/L 8.3%
of the EPA limit 60 µg/L
 3/3 SYR4 2013–2017

Utility contact

Contact
AUSTIN CROCKER
Phone
6052725651
Email
citygaryutilities@itctel.com; citygary

Frequently asked questions about Gary

Is Gary tap water safe to drink?

EPA monitoring detected 5 contaminants in Gary'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 Gary's water?

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

How many people does Gary serve?

Gary reports serving 240 people in South Dakota, per its EPA record.

Has Gary had any water quality violations?

The EPA has 10 violations on file for Gary, of which 4 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.