Question 1

Is Gilman Waterworks water safe to drink?

Accepted Answer

Gilman Waterworks (PWS ID: WI8610124) has 57 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. EPA SDWIS lists this system's service population as 372 people using Groundwater sources.

Question 2

How many people does Gilman Waterworks serve?

Accepted Answer

EPA SDWIS reports that Gilman Waterworks serves 372 people (this public water system's service population, not the municipal population of Gilman or any other city). It is a Local-owned system using Groundwater water sources with 184 service connections. The operator address is listed in Gilman, Wisconsin.

Question 3

What type of violations does Gilman Waterworks have?

Accepted Answer

Gilman Waterworks has 57 total violations: 0 health-based violations (MCL exceedances or treatment failures), 50 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Question 4

Has PFAS been detected in Gilman Waterworks water?

Accepted Answer

No PFAS testing data is available for Gilman Waterworks under the EPA's UCMR5 monitoring program.

Question 5

What water source does Gilman Waterworks use?

Accepted Answer

Gilman Waterworks uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.

Question 6

Where does this data come from?

Accepted Answer

All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

Question 7

How does Gilman Waterworks's violation count compare nationally?

Accepted Answer

Gilman Waterworks has 57 recorded EPA SDWIS violations, fewer than 40% of the 29,740 public water systems serving 500 or more people nationwide (the same sitemap cohort used for the corpus-placement ranking above). 60% of that cohort has fewer violations than Gilman Waterworks. A system can have zero recorded violations and still be actively monitored, and a high violation count often reflects a system that reports thoroughly, not necessarily one with worse water.

Contaminant	Category	Count	Latest
Lead and Copper Rule	MR	4	2024
E. COLI	MR	4	2024
Consumer Confidence Rule	Other	4	2010
Xylenes, Total	MR	2	1994
1,1,2-Trichloroethane	MR	2	1994
CHLOROBENZENE	MR	2	1994
p-Dichlorobenzene	MR	2	1994
Tetrachloroethylene	MR	2	1994
cis-1,2-Dichloroethylene	MR	2	1994
o-Dichlorobenzene	MR	2	1994
trans-1,2-Dichloroethylene	MR	2	1994
1,2-Dichloroethane	MR	2	1994
Carbon tetrachloride	MR	2	1994
1,2-Dichloropropane	MR	2	1994
Benzene	MR	2	1994
Styrene	MR	2	1994
Ethylbenzene	MR	2	1994
DICHLOROMETHANE	MR	2	1994
Vinyl chloride	MR	2	1994
1,2,4-Trichlorobenzene	MR	2	1994
Toluene	MR	2	1994
Trichloroethylene	MR	2	1994
1,1-Dichloroethylene	MR	2	1994
1,1,1-Trichloroethane	MR	2	1994

Gilman Waterworks

Gilman Waterworks standing, mid SDWIS violation third

System Details

Violation History

Violation Count vs. the National Corpus

Health-based violations on Gilman Waterworks

Nationwide peers

Cross-state systems near this violation count