ZIP Code 55128 Water Quality Report
Saint Paul, MN · Washington County County
Water Safety Grade
Poor — Multiple violations recorded
Health Violations
0
Total Violations
0
Lead Risk
Moderate
Contaminants
0
About Tap Water in ZIP Code 55128
Tap water in ZIP code 55128 (Saint Paul, MN) has received a D grade (score: 53/100) — below average for the nation. Lake Elmo has recorded notable violations with EPA Safe Drinking Water Act regulations. Residents may want to consider additional filtration and review their annual Consumer Confidence Report.
Water System
Lake Elmo
EPA ID: MN1820009
Water Source
Ground Water
Population Served
10,978 residents
County
Washington County County, Minnesota
Lead Levels in ZIP 55128
EPA action level: 15 ppb | Public health goal: 0 ppb
Lead Data Not Available
Lead exposure risk in 55128 is rated Moderate. EPA models estimate a 38% probability of lead exposure risk in this ZIP code based on housing age, infrastructure age, and water system data. This may reflect a mix of older and newer housing stock and infrastructure. Families with young children should test their home's water and consider a certified NSF/ANSI 53 water filter.
EPA model estimate based on housing age and infrastructure
Violation History
Past 5 years — EPA SDWIS data
Lake Elmo has recorded zero violations in the EPA compliance database over the past 5 years — a strong indicator of consistent regulatory compliance and careful monitoring.
Contaminants Detected
Contaminants with health-based violations on record
No health-based contaminant violations are on record for ZIP code 55128. This means EPA monitoring has not found levels of regulated contaminants exceeding the Maximum Contaminant Levels (MCLs) set under the Safe Drinking Water Act — a positive indicator of water quality compliance.
Water Source & Environmental Factors
Ground Water
This system draws water from underground aquifers. Groundwater is naturally filtered through soil and rock, but can still contain naturally occurring minerals like arsenic, radium, or nitrates.
Highest potential
Estimated annual flood-related costs per property
% of household income spent on energy — indicator of older infrastructure
EPA Radon Zone 1 — highest potential for radon in indoor air. Homeowners should test their home for radon and consider mitigation if levels exceed 4 pCi/L.
🛡 What Should You Do? — ZIP 55128 Recommendations
Serious water quality concerns — action recommended
- 🚨 Install a certified NSF/ANSI 53 or 58 (reverse osmosis) filter immediately for drinking and cooking
- 🚨 Do not give unfiltered water to children, pregnant women, or immunocompromised individuals
- 🚨 Contact Lake Elmo to request the current violation status and corrective action plan
- 🚨 Report concerns to your state environmental agency or call the EPA hotline: 1-800-426-4791
- 🚨 Consider having your home's tap water independently tested by a certified lab
Frequently Asked Questions — ZIP 55128 Water Quality
Is tap water safe to drink in ZIP code 55128?+
What is the lead level in 55128 tap water?+
Who provides tap water to 55128?+
What is the water source for 55128?+
Does 55128 have any active water quality violations?+
How do I get a copy of my water quality report for 55128?+
What water filter should I use in 55128?+
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Data Sources & Methodology
Water quality data for ZIP code 55128 is compiled from the EPA Safe Drinking Water Information System (SDWIS), EPA ECHO enforcement database, UCMR5 unregulated contaminant monitoring, and Consumer Confidence Reports filed by Lake Elmo. Safety scores are composite metrics derived from violation history, lead levels, enforcement actions, and infrastructure risk indicators. Data reflects a 5-year monitoring window. Last dataset update: 2024. View EPA source data →