Il American-alton
EPA ID: IL1195150 · 46,127 people served · 10 ZIP codes
Unlike fully compliant utilities, Il American-alton has 3 outstanding EPA violations for approximately 46,127 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Il American-alton Source: EPA SDWIS service area boundaries.
Service area boundary — Grade D
Service Area Demographics
The Il American-alton serves a community with a median household income of $74,007 and an estimated 83,580 residents across its service area. Approximately 68% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Il American-alton's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
About 1% of homes in Madison County, Illinois rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Detected Contaminants
How Il American-alton compares to EPA limits
What This Means For You
Contaminant 1006 at 1 mg/L exceeds the EPA maximum of 0.006 mg/L. Cholesterol & blood sugar effects, liver damage. Consider reverse osmosis filtration.
Haloacetic Acids (HAA5) at 2 mg/L exceeds the EPA maximum of 0.06 mg/L. Cancer risk; reproductive & developmental effects. Consider granular activated carbon (GAC) filtration.
Total Trihalomethanes (TTHM) at 1 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.
Stage 1 DBP Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Lead and Copper Rule at 2 mg/L exceeds the EPA maximum of mg/L.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 36 detections recorded. 2 exceed federal EPA limits (4 ppt for PFOA/PFOS). 1 exceeds state limits.
Contaminant 1006 was detected in this water system. reverse osmosis filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
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Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Il American-alton (EPA ID: IL1195150) is a community water system in Illinois that serves approximately 46,127 people from surface water sources.
This system provides water to 10 ZIP codes across 10 communities.
Average Home Safety Score: D (53/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| July 1, 2025 | Contaminant 1006 | Monitoring | Resolved |
| July 1, 2025 | Surface Water Treatment Rule | Monitoring | Unresolved |
| January 1, 2025 | Stage 1 DBP Rule | Monitoring | Unresolved |
| October 11, 2024 | Lead and Copper Rule | Monitoring | Resolved |
| July 1, 2024 | Stage 1 DBP Rule | Monitoring | Unresolved |
| March 1, 2024 | Fecal Coliform | Health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 2 | Yes |
| Stage 1 DBP Rule | Treatment Failure | 2 | No |
| Lead and Copper Rule | Treatment Failure | 2 | No |
| Fecal Coliform | Microbiological | 2 | Yes |
| Revised Total Coliform Rule | Microbiological | 2 | No |
| Contaminant 1006 | Other Violation | 1 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 1 | No |
| Surface Water Treatment Rule | Treatment Failure | 1 | No |
| Consumer Confidence Report Rule | Reporting Failure | 1 | No |
Health Risk Details
Haloacetic Acids (HAA5) (EPA limit: 0.06 mg/L)
Cancer risk; reproductive & developmental effects At-risk groups: pregnant women, infants, long-term consumers of chlorinated municipal water.
Removal methods: granular activated carbon (GAC), carbon block filter, reverse osmosis. Find the right filter →
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 62002 | 0.003 mg/L | No | N/A |
| 62035 | 0.002 mg/L | No | N/A |
| 62031 | 0.0015 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by IL or modeled from parcel and building-footprint data.
- 62002 — Alton
- 62010 — Bethalto
- 62012 — Brighton
- 62018 — Cottage Hills
- 62022 — Dow
- 62028 — Elsah
- 62031 — Fieldon
- 62035 — Godfrey
- 62037 — Grafton
- 62052 — Jerseyville
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Il American-alton (IL1195150) on EPA.gov.
Frequently Asked Questions
Is Il American-alton water safe to drink?
Il American-alton has recorded 3 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
How many people does Il American-alton serve?
Il American-alton serves approximately 46,127 people across 10 ZIP codes in Illinois.
Where does Il American-alton get its water?
The primary water source is surface water.
Federal UCMR5 PFAS Monitoring: Detected
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). PFAS compounds were detected below the current state-enforceable MCL.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
Frequently Asked Questions
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Il American-alton (EPA ID: IL1195150) — request the latest Consumer Confidence Report or ask about specific contaminants.