Question 1

Is Kikkoman Foods water safe to drink?

Accepted Answer

Kikkoman Foods (PWS ID: WI2650327) has 97 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. EPA SDWIS lists this system's service population as 170 people using Groundwater sources.

Question 2

How many people does Kikkoman Foods serve?

Accepted Answer

EPA SDWIS reports that Kikkoman Foods serves 170 people (this public water system's service population, not the municipal population of Walworth or any other city). It is a Private-owned system using Groundwater water sources with 3 service connections. The operator address is listed in Walworth, Wisconsin.

Question 3

What type of violations does Kikkoman Foods have?

Accepted Answer

Kikkoman Foods has 97 total violations: 23 health-based violations (MCL exceedances or treatment failures), 72 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Question 4

Has PFAS been detected in Kikkoman Foods water?

Accepted Answer

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

Question 5

What water source does Kikkoman Foods use?

Accepted Answer

Kikkoman Foods uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.

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 Kikkoman Foods's violation count compare nationally?

Accepted Answer

Kikkoman Foods has 97 recorded EPA SDWIS violations, fewer than 27% of the 29,740 public water systems serving 500 or more people nationwide (the same sitemap cohort used for the corpus-placement ranking above). 73% of that cohort has fewer violations than Kikkoman Foods. 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
Nitrate	MR	22	2009
Coliform (TCR)	MCL	12	1996
Nitrate	MCL	9	2002
Nitrite	MR	6	2005
Xylenes, Total	MR	2	2003
DICHLOROMETHANE	MR	2	2003
o-Dichlorobenzene	MR	2	2003
p-Dichlorobenzene	MR	2	2003
Vinyl chloride	MR	2	2003
1,1-Dichloroethylene	MR	2	2003
1,2-Dichloroethane	MR	2	2003
1,1,1-Trichloroethane	MR	2	2003
Carbon tetrachloride	MR	2	2003
1,1,2-Trichloroethane	MR	2	2003
Tetrachloroethylene	MR	2	2003
Benzene	MR	2	2003
Toluene	MR	2	2003
Styrene	MR	2	2003
Coliform (TCR)	MR	2	1994
1,2-Dichloropropane	MR	2	2003
cis-1,2-Dichloroethylene	MR	2	2003
Trichloroethylene	MR	2	2003
Stage 1 Disinfectants and Disinfection Byproducts Rule	TT	2	2017
trans-1,2-Dichloroethylene	MR	2	2003
1,2,4-Trichlorobenzene	MR	2	2003
CHLOROBENZENE	MR	2	2003
Ethylbenzene	MR	2	2003
Public Notice	Other	1	2004

Kikkoman Foods

Kikkoman Foods standing, high SDWIS violation third

System Details

Violation History

Violation Count vs. the National Corpus

Health-based violations on Kikkoman Foods

Nationwide peers

Cross-state systems with comparable violation load