Nokomis, IL Water Safety: 83/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-03
Within Nokomis, safety indicators for tap water remain above the IL median — documented violations are infrequent and the city's compliance record sits in the upper tier.
How Nokomis Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Nokomis Water
- Average lead level: 0.0017 mg/L.
- Homes built before 1986: 85% — older plumbing may contain lead solder.
- Estimated remediation: $900 per household.
- CDC health risk index: 14.29 — above typical levels.
Who Supplies Your Water in Nokomis
Water delivery in Nokomis, IL is handled by 2 utilities rather than a single system — drawn from 2 providers in federal records, each filing its own compliance reports and setting its own rates.
Overview
We track water quality and home safety data for 1 ZIP code in Nokomis, Illinois (population ~3,180), covering 2 community water systems serving approximately 32,090 people region-wide.
No EPA violations recorded across any ZIP codes in Nokomis — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Nokomis: B (83/100)
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
Nokomis water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0017 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 |
|---|---|---|---|
| 62075 | B | Nokomis | 2,370 |
All ZIP Codes in Nokomis
- 62075 [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 Nokomis
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 Nokomis
With 85% 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
Heavily weighted toward older construction, Nokomis's housing stock carries a median build year of 1955. That profile puts a majority of homes in the era when lead-soldered copper plumbing was standard practice.
Over half of homes in Nokomis 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 Nokomis Homeowners
Looking at how documented remediation costs fit within Nokomis property values, the equity share lands in the moderate tier — a finding that positions the household financial perspective between routine maintenance and a significant budget commitment, where most homeowners can successfully address documented issues by treating the expense as a planned financial priority rather than an unexpected one.
Remediation costs are moderate relative to home values in Nokomis. The estimated $300–$1,600 range is manageable for most homeowners but still worth budgeting for. Home values are 53% below the Illinois average.
Lead Exposure Risk for Children in Nokomis
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.
When older housing represents 85% of the local inventory or aggregate readings approach the federal action level, an in-home check becomes the standard way to translate citywide averages into the specific reality of an individual Nokomis address.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Deep Dive Reports
Detailed analysis for Nokomis, IL