Water Quality in Watertown, WI (53551)
EPA violation data for public water systems serving ZIP code 53551.
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 3 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.
9,731
Population
40
Water Systems
4
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (40)
Watertown Waterworks
All resolvedLake Mills Waterworks
1 health-basedDoor Creek Golf Course - Main
Milford Family Restaurant
Aztalan Inn
Country Chef
Moundbuilders Outpost
Creekwood Cage Free
All resolvedEcono Lodge
Pizza Pit
Moes Place
Daybreak Foods, Creekwood Complex - Egg Pkg Plant
Daybreak Foods Inc - Cold Spring
Daybreak Foods Inc - S&R
Pyramid Motel & Pyramid Liquor
Setz Motel & Cottages - Cottages
Setz Motel & Cottages - Motel & Home
Bades Resort
Roehls Cottages
Cross Roads
Maasch Cottages - Private Residence
Lake Mills Locker
Highway 76
Slater Cottage
Tyranena Park - Lower
Pfaffenbach Cottages
Trytten Summer Cottage Rentals
Rock Lake Bait And Tackle
Tamaracks - Private Residence
Chandler Mowris Residences
Muck Farms Inc
Tyranena Park - Abandoned
Standish Industries
Standish Industries
Topels Lakeside Park
Zimmermans Cottage
Creekwood Farms Inc - Chickens
Petrys Cottage - Private Residence
Rock Lake Vista Condos Well #1 System
Lennartz Cottage
Contaminants Found
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jun 2025
How Does This Compare?
Watertown (53551) has more violations than 48% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 4.
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.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 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.