Cisne, IL Water Safety: 75/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
In current IL EPA data, Cisne's tap water sits in the high-safety tier.
How Cisne Compares
Data: EPA SDWIS Last verified: 2026-06-03
Cisne Water: The Quick Version
- Homes built before 1986: 61% — older plumbing may contain lead solder.
- Estimated remediation: $1,600 per household.
- CDC health risk index: 15.18 — above typical levels.
Water Systems Serving Cisne
Federal records list 1 water system serving Cisne, IL. One provider accounts for the large majority of residential water connections in the area, concentrating infrastructure and compliance accountability.
Overview
We track water quality and home safety data for 1 ZIP code in Cisne, Illinois, covering 1 community water system serving approximately 1,962 people.
No EPA violations recorded across any ZIP codes in Cisne — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Cisne: B (75/100)
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
Cisne water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Cisne
- 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 |
|---|---|---|---|
| 62823 | B | Cisne | 634 |
All ZIP Codes in Cisne
- 62823 [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 Cisne
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 Cisne's Housing Stock?
With 61% 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 character of Cisne's housing stock is one of deep historical layering — a median build year of 1973 signals a city built largely before the plumbing era changes of 1986 and 1970. Lead-soldered copper joints and, in the oldest properties, lead service lines are commonly present in this inventory. That context shapes what individual water testing may reveal, particularly in neighborhoods where the oldest housing is concentrated.
Over half of homes in Cisne 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.
Cisne: Remediation Cost in Perspective
Middle of the range — Cisne homeowners face a remediation share that calls for real financial attention without reaching crisis territory.
Remediation costs are moderate relative to home values in Cisne. The estimated $800–$2,600 range is manageable for most homeowners but still worth budgeting for. Home values are 35% below the Illinois average.
Protecting Children from Lead in Cisne
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.
61% — that captures the slice of Cisne housing dating from before the federal ban on solder containing lead. It pairs with aggregate utility readings that either approach or cross 0.015 mg/L, the benchmark set under the EPA Lead and Copper Rule. Together, the two figures shift one-home reads into a standard household-level confirmation, particularly for families with kids. A certified lead-removal filter is available through retailer-verified channels if a kit returns results that warrant additional measures.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for Cisne
The NFIP's multi-decade dataset for Cisne shows limited claims and limited zone coverage — a pattern that holds consistent implications for water quality. Flooding disrupts treatment systems and distribution infrastructure in proportion to event frequency, and environments with infrequent flood activity keep those disruption pathways largely dormant.
Cisne 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>$1,600</strong> remediation cost per household.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Cisne, IL