New Haven, IL Water Safety: 78/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-03
Tap water in New Haven, IL scores well — low violation counts, above-average safety grade.
How New Haven Compares
Data: EPA SDWIS Last verified: 2026-06-03
New Haven Water: The Quick Version
- Average lead level: 0.0011 mg/L.
- Homes built before 1986: 77% — older plumbing may contain lead solder.
- Estimated remediation: $2,200 per household.
- CDC health risk index: 15.93 — above typical levels.
Water Systems Serving New Haven
Water delivery in New Haven, 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 New Haven, Illinois (population ~528), covering 2 community water systems serving approximately 2,579 people region-wide.
No EPA violations recorded across any ZIP codes in New Haven — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for New Haven: 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
New Haven 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 |
|---|---|---|---|
| 62867 | B | Norris City | 2,155 |
All ZIP Codes in New Haven
- 62867 [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.
CDC Health Data for New Haven
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
How Old Is New Haven's Housing Stock?
With 77% 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
Because the majority of New Haven's housing predates 1986, when lead solder was banned from new plumbing, the median build year of 1963 reflects a city where lead-era plumbing materials are common rather than exceptional.
Over half of homes in New Haven 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.
New Haven: Remediation Cost in Perspective
The New Haven remediation share exceeds what lower-tier markets face — the cost-to-value ratio here is elevated, and the household financial perspective reflects a commitment that most homeowners need to plan for explicitly.
At 4.4% of home value, remediation costs in New Haven represent a significant financial burden. For homes valued near the median, fixing water and safety issues could cost $1,200–$3,300. Home values here are 73% below the Illinois average.
Protecting Children from Lead in New Haven
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 77% 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 New Haven address.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for New Haven
Over the multi-decade window covered by the National Flood Insurance Program, New Haven has accumulated 11 claims — a total that suggests more than isolated flood exposure. With 100% of ZIP codes in designated flood zones, the water-quality implications of flooding move from hypothetical to periodically relevant: treatment intake can be compromised, wells can be infiltrated, and distribution backflow can occur.
New Haven has a moderate flood history with 11 FEMA claims averaging $20,012 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>$2,200</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 New Haven, IL