Oconto Falls, WI: 1 Health Violation — 67/100 (2026)
1 ZIP code · 3 water systems · Updated 2026-06-03
Oconto Falls, WI: mid-range safety grade, uneven compliance across service areas.
How Oconto Falls Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Oconto Falls Water
- Your city's water systems recorded 2 violations in the past 5 years.
- Average lead level: 0.011 mg/L.
- Homes built before 1986: 65% — older plumbing may contain lead solder.
- Estimated remediation: $1,900 per household.
- CDC health risk index: 14.54 — above typical levels.
Who Supplies Your Water in Oconto Falls
Oconto Falls, WI draws its residential water from 3 separate providers among the 3 federally tracked systems. Each operates independently, with its own infrastructure, rate structure, and compliance record.
Overview
We track water quality and home safety data for 1 ZIP code in Oconto Falls, Wisconsin, covering 3 community water systems serving approximately 5,813 people.
1 of 1 ZIP code (100%) have recorded EPA violations. 1 health-based violation documented.
Home Safety Score
Average Home Safety Score for Oconto Falls: C (67/100)
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
Oconto Falls water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0110 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.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Stage 2 DBP Rule | Treatment Technique | 2 | 1 |
| Lead and Copper Rule | Treatment Technique | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 54154 | C | 2 | 1 | Oconto Falls Waterworks |
All ZIP Codes in Oconto Falls
- 54154 [C] — 2 violations ⚠
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 Oconto Falls
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
Top Contaminants in Oconto Falls Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Housing & Infrastructure in Oconto Falls
With 65% 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
Viewed through the lens of construction era, Oconto Falls is predominantly an older city — a median build year of 1975 puts most of the residential inventory in the range where pre-1986 plumbing materials were the standard.
Over half of homes in Oconto Falls 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.
Cost Context: What Remediation Means for Oconto Falls Homeowners
Within the Oconto Falls market, estimated remediation claims a small portion of typical property equity — the financial burden is proportionally low.
Remediation costs in Oconto Falls are relatively low compared to home values. The $950–$3,200 estimated range is a small fraction of median property value. Home values are 16% below the Wisconsin average.
Lead Exposure Risk for Children in Oconto Falls
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.
Pulling a tap sample fills the gap that utility data cannot close, particularly here where 65% of housing dates from the pre-rule era and citywide monitoring sits at or above the regulatory mark in Oconto Falls.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Oconto Falls
Oconto Falls carries a limited flood exposure profile, with claim volume and flood zone coverage both remaining modest. That limited footprint keeps flooding well below the severity thresholds where treatment infrastructure comes under meaningful stress.
Oconto Falls has a relatively low flood history with 1 FEMA claims on record. While risk is limited, severe weather events can still impact water infrastructure.
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>$1,900</strong> remediation cost per household.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Oconto Falls
- Test your water at home. City-level data shows averages — your tap may differ. Lead testing is especially recommended given the area's lead levels.
- Install a certified water filter. Filters rated for Stage 2 DBP Rule can reduce the most common contaminant found in Oconto Falls's water.
- Check your home's plumbing. With 65% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Oconto Falls, WI