CITY REPORT MN

Watertown, MN: 2 Violations - Home Safety Score unavailable

1 ZIP code · 4 water systems · Updated

Data: EPA SDWIS

1
ZIP Codes
4
Water Systems
1
ZIPs with Violations
Zone 1
Radon Risk (High)
$333K
Median Home Value
$1,600
Est. Remediation (0.5% of home value)

Key Facts for Watertown Residents

  • Your city's water systems recorded 2 violations in the past 5 years.
  • Average lead level: 0.004 mg/L.
  • Homes built before 1986: 52% - older plumbing may contain lead solder.
  • Estimated remediation: $1,600 per household.
  • CDC health risk index: 10.56.

Watertown's Water Providers

Residential water service in Watertown, MN is divided among 3 separate utilities, drawn from 4 systems on file with federal regulators.

Overview

We track home safety data for 1 ZIP code in Watertown, Minnesota (population ~5,974), covering 4 community water systems serving approximately 18,902 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.

Water Sources

Watertown water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0040 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 1 (High Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Top Contaminants

Contaminant Category Violations ZIPs Affected
Gross Beta Radionuclides 2 1
Stage 1 DBP Rule Treatment Technique 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
55388 2 0 Watertown

All ZIP Codes in Watertown

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Watertown Community Health Snapshot

9.5%
Asthma (US: 9.8%)
8.5%
Diabetes (US: 10.4%)
13.5%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 9.5% ↓
Diabetes 8.5% ↓
Mental Health 13.5% ↓

Vertical line = national average. Above national · Below national

What's in Watertown's Water?

Gross Beta 2 violations
Radionuclides · EPA limit: 50 pCi/L
Stage 1 DBP Rule 2 violations
Treatment Technique
Disinfection byproduct exposure risk

Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.

Watertown Infrastructure Age

1985
Median Build Year
52%
Built Before 1986
31%
Built Before 1970
Copper
Likely Pipe Material

With 52% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.

Source: U.S. Census Bureau American Community Survey (ACS).

Housing Age Profile

The lead that enters tap water in older homes often comes not from the municipal supply but from the home's own plumbing - from solder used in copper joints before the 1986 federal ban, or from lead pipes installed before 1970. In Watertown, where the median build year is 1985, these older materials are widespread. More than half the residential stock predates the 1986 solder ban, and a significant fraction predates 1970 as well. For residents in those homes, the city-wide water quality picture is a less relevant frame than the specific materials inside their own walls and under their own street.

1985
Median Year Built
52%
Pre-1986 (Lead Paint Risk)
31%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (31%) 1970–1986 (21%) Post-1986 (48%)

Over half of homes in Watertown were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.

Source: U.S. Census Bureau ACS B25034.

How Remediation Costs Compare in Watertown

Remediation costs in Watertown are small relative to typical property values - the cost-to-value ratio here is favorable.

Median Home Value
$333,100
Est. Remediation
$1,600
Remediation as % of home value 0.5%

Remediation costs in Watertown are relatively low compared to home values. The $800–$2,600 estimated range is a small fraction of median property value. Home values are 39% above the Minnesota average.

Watertown: Lead Risk & Vulnerable Populations

52%
Homes Built Before 1986
0.004
mg/L Avg Lead (Limit: 0.015)

Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

Locally, 52% of Watertown homes carry interior plumbing from the era when lead solder was still permitted in new builds, and citywide monitoring approaches or crosses the EPA action benchmark. Households can find a draw-test kit and certified filtration through verified retailers.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Watertown: NFIP Claim Records and Water-Quality Context

3
Total FEMA Flood Claims
$22,803
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Watertown contains 3 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $22,803. Among ZIP codes with claim records, 100% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.

How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$1,600</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.

Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.

Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.

Frequently Asked Questions

How many water violations does Watertown have?
Watertown water systems have a total of 2 EPA violations. Violations are tracked across 1 ZIP code.
Does Watertown water have lead?
The average 90th-percentile lead level in Watertown is 0.004 mg/L. This is below the EPA action level of 0.015 mg/L. Lead levels can vary by home - testing is recommended especially in older properties.
How many water systems serve Watertown?
Watertown is served by 4 public water systems across 1 ZIP code, serving approximately 5,974 people.
How much does it cost to fix water issues in Watertown?
Estimated remediation costs in Watertown average $1,600 per household, ranging from $800 to $2,600. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesMinnesota → Watertown, MN

How to cite this page

APA ZipCheckup. (2026). Watertown, MN: 2 Violations - Home Safety Score unavailable. https://zipcheckup.com/cities/mn/watertown/
BibTeX
@misc{zipcheckup-cities-mn-watertown,
  author = {{ZipCheckup}},
  title  = {{Watertown, MN: 2 Violations - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/mn/watertown/}
}

Page version: August 2026.

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