Water Quality in Watertown, WI (53137)
EPA violation data for public water systems serving ZIP code 53137.
Past Health-Based Violations
1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 4 monitoring/reporting violations.
More violations than 48% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
1,650
Population
17
Water Systems
5
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (17)
Watertown Waterworks
All resolvedRons Market
St Peters Lutheran Church
Paradise Bar
Wingin It
Natures Villa
Jellis Market
1 health-basedSt Peters Lutheran School
Anns Farmington Inn
Farmington Recreational Assoc Park
Yard, The
All resolvedBs Cheers N Beers
Pickets
All resolvedRed Post Tap
Helenville Post Office
Twilight Zone
Universal Electronics, Inc.
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Sep 2025
How Does This Compare?
Watertown (53137) has more violations than 48% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 5.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.