Suamico, WI Water Safety: 78/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Suamico tap water earns a high safety grade — above-average compliance with WI and federal standards.
How Suamico Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Suamico Water
- Average lead level: 0.0011 mg/L.
- Homes built before 1986: 41% — older plumbing may contain lead solder.
- Estimated remediation: $1,600 per household.
- CDC health risk index: 12.63 — above typical levels.
Who Supplies Your Water in Suamico
A single dominant system supplies most of Suamico, WI. That utility controls infrastructure decisions, rate structures, and EPA compliance reporting for most residential addresses served across those 1 tracked system.
Overview
We track water quality and home safety data for 1 ZIP code in Suamico, Wisconsin, covering 1 community water system serving approximately 3,710 people.
No EPA violations recorded across any ZIP codes in Suamico — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Suamico: B (78/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Suamico water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0011 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 54173 | B | Suamico Waterworks | 4,697 |
All ZIP Codes in Suamico
- 54173 [B]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Health Outcomes in Suamico
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Housing & Infrastructure in Suamico
With 41% 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
Pre-1986 construction carries elevated plumbing-era lead risk because lead solder was widely used before that federal ban. In Suamico, the median build year of 1998 indicates a housing stock where that older fraction represents a significant share of the residential inventory.
Most homes in Suamico were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Suamico Homeowners
Across Suamico, the equity share taken up by estimated remediation is small — a favorable ratio for most property owners.
Remediation costs in Suamico are relatively low compared to home values. The $800–$2,600 estimated range is a small fraction of median property value. Home values are 47% above the Wisconsin average.
Lead Exposure Risk for Children in Suamico
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.
After the federal action removing lead-bearing solder from new plumbing took effect, building practice shifted — but 41% of the Suamico inventory predates that line. With aggregate samples near or beyond 0.015 mg/L, an in-home check moves out of the optional column into the standard list.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Suamico
Measured across the NFIP's multi-decade tracking period, Suamico shows a moderate flood record — 27 claims and 100% of ZIP codes carrying FEMA flood zone status. For water quality, that combination matters because flood events at this frequency can periodically stress infrastructure: treatment plants, private wells, and distribution systems all face elevated risk during significant flooding.
Suamico has a moderate flood history with 27 FEMA claims averaging $5,136 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
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. Flood damage can add significantly to the estimated <strong>$1,600</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Suamico, WI