Question 1

Is Kewaunee Waterworks water safe to drink?

Accepted Answer

Kewaunee Waterworks (PWS ID: WI4310281) has 137 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. EPA SDWIS lists this system's service population as 2,848 people using Groundwater sources.

Question 2

How many people does Kewaunee Waterworks serve?

Accepted Answer

EPA SDWIS reports that Kewaunee Waterworks serves 2,848 people (this public water system's service population, not the municipal population of Kewaunee or any other city). It is a Local-owned system using Groundwater water sources with 1,054 service connections. The operator address is listed in Kewaunee, Wisconsin.

Question 3

What type of violations does Kewaunee Waterworks have?

Accepted Answer

Kewaunee Waterworks has 137 total violations: 4 health-based violations (MCL exceedances or treatment failures), 126 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Question 4

Has PFAS been detected in Kewaunee Waterworks water?

Accepted Answer

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

Question 5

What water source does Kewaunee Waterworks use?

Accepted Answer

Kewaunee 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

Where does Kewaunee Waterworks sit among U.S. public water systems?

Accepted Answer

According to EPA SDWIS population_served among sitemap-advertised systems (serving 500+), Kewaunee Waterworks ranks #11,009 of 29,740 by people served, and #214 of 744 in Wisconsin. Ordinals use population_served DESC among systems serving 500+ (the sitemap cohort). See /methodology#corpus-placement.

Question 8

How does Kewaunee Waterworks's violation count compare nationally?

Accepted Answer

Kewaunee Waterworks has 137 recorded EPA SDWIS violations, fewer than 20% of the 29,740 public water systems serving 500 or more people nationwide (the same sitemap cohort used for the corpus-placement ranking above). 79% of that cohort has fewer violations than Kewaunee 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
Coliform (TCR)	MR	9	2009
Lead and Copper Rule	MR	7	2018
cis-1,2-Dichloroethylene	MR	5	2002
DICHLOROMETHANE	MR	5	2002
o-Dichlorobenzene	MR	5	2002
p-Dichlorobenzene	MR	5	2002
Styrene	MR	5	2002
Toluene	MR	5	2002
Tetrachloroethylene	MR	5	2002
1,1,2-Trichloroethane	MR	5	2002
1,2-Dichloropropane	MR	5	2002
Carbon tetrachloride	MR	5	2002
1,1,1-Trichloroethane	MR	5	2002
Chlorine	MR	5	2009
1,1-Dichloroethylene	MR	5	2002
Benzene	MR	5	2002
trans-1,2-Dichloroethylene	MR	5	2002
Ethylbenzene	MR	5	2002
CHLOROBENZENE	MR	5	2002
Trichloroethylene	MR	5	2002
1,2-Dichloroethane	MR	5	2002
Vinyl chloride	MR	5	2002
Xylenes, Total	MR	5	2002
1,2,4-Trichlorobenzene	MR	5	2002
Lead and Copper Rule	TT	4	2023
Consumer Confidence Rule	Other	2	2002

Kewaunee Waterworks

Kewaunee Waterworks standing, high SDWIS violation third

System Details

Violation History

Violation Count vs. the National Corpus

SDWIS compliance record for Kewaunee Waterworks

Nationwide peers

Cross-state systems with comparable violation load

Cross-state systems near this population served