Water Quality in Waukesha, WI (53122)
EPA violation data for public water systems serving ZIP code 53122.
Active Health Violations
55 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 95% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
6,508
Population
59
Water Systems
83
Violations (5yr)
55
Health-Based
Location
Loading map...
Water Systems Serving This Area (59)
Waukesha Water Utility
54 health-basedPilgrim Park Middle School
St Marys School & St Marys Parish
Tonawanda Elementary School
St Edmunds Anglican Church
Elm Grove Lutheran School & Church
Squires Grove
Marian Heights Subdivision
Pizzaria Uno
Sunset Playhouse
Building Trades Office
Elm Grove Village Hall
All resolvedNotre Dame Of Elm Grove
Elm Grove Luth Ch & Schl
United Parcel Service
1 health-basedCommunity United Methodist Church
Western Racquet Club
Bluemound Centre West Well
T J Maxx
Ups Janesville
Nugget Nation Mke/Cream City Music
Elm Grove Preschool & Child Care
Park At Elm Grove
Camp Tamarack John Gray Lodge
Camp Tamarack Office
Camp Tamarack Basile Retreat Ctr
Destefanis Group Llc
Meadows Of The Grove
All resolvedElm Grove Park & Shop - Post Office
Elm Grove Park & Shop Card Shop & Zisters
Parc Vue Apts
Traffic & Parking Control Co
Shops Of Elm Grove
Carolines
O Donoghues Irish Pub
Pilgrim Executive Center
Kurtz Realty
Westfahl Office Bldg
Great Harvest Bread Company
Nona
All resolvedSilver Spur Bbq
Sleepy Hollow Motel
Sleepy Hollow Motel Aux W
Quail Hollow Condos
All resolvedAmerican Legion Post 449
Europeon Auto Care Center
First Realty - Gmac
Weise, John R & Cynthia Property
Slatterys Standard Service
Lamplighter Motel
Bluemound Centre East Well
Chancery
Nancys Avenue Market
Camp Tamarack Lodge
All Pro Broadcasting
Plank Rd Plaza
Elms Condominium Association
American Baptist Churches
Sally'S Sweet Shoppe - Delafield
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Sep 2025
How Does This Compare?
Waukesha (53122) has more violations than 95% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 83.
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.