Historical Compliance Records IL

Chillicothe

EPA ID: IL1430200 ยท 6,660 people served ยท 1 ZIP code

ZipCheckup's reading of EPA SDWIS for Chillicothe (IL1430200): 26 EPA violations in the last five years. Over the tracked period, Chillicothe logged 26 EPA violations - each has been remedied, and the system now supplies 6,660 people in good standing.

Data: EPA SDWIS

F ยท 39
Avg Safety Score
6,660
People Served
1
ZIP Code Served
26
Violations (5yr)
Groundwater
Water Source
Zone 1
Radon Risk ยท High
26
Contaminants Flagged
$152K
Median Home Value in Service Area

Service Area Map

Coverage area for Chillicothe Source: EPA SDWIS service area boundaries.

Service area boundary - Grade F

Service Area Demographics

$74,100
Median Household Income
10,188
Service Area Population
33%
Disadvantaged Population
50th
Poverty Percentile
40th
Energy Burden Percentile
68%
Pre-1986 Housing

The Chillicothe serves a community with a median household income of $74,100 and an estimated 10,188 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.

Environmental Justice Note: 33% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.

๐Ÿ’ง Where Does Your Water Come From?

Groundwater

Chillicothe's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.

Elevated Risk
Source Contamination Risk
50th
Wastewater Discharge Proximity
10th
Superfund Site Proximity

Infrastructure Risk

47 yr
Avg Pipe Age
Copper
Pipe Material
23 yr
Est. Remaining Life
Stable
Decay Status
Installed 67% of expected lifespan used End of life

Detected Contaminants

How Chillicothe compares to EPA limits

PFOA 1 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.000004 mg/L
PFNA 1 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.00001 mg/L
Chlorodibromomethane 1 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.002 mg/L
Liver cancer, brain cancer (known carcinogen)
Atrazine 1 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.003 mg/L
Endocrine disruption, cardiovascular & reproductive effects
Bromate 1 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.01 mg/L

What This Means For You

PFOA at 1 mg/L exceeds the EPA maximum of 0.000004 mg/L.

PFNA at 1 mg/L exceeds the EPA maximum of 0.00001 mg/L.

Chlorodibromomethane at 1 mg/L exceeds the EPA maximum of 0.002 mg/L. Liver cancer, brain cancer (known carcinogen). Consider granular activated carbon (GAC) filtration.

Atrazine at 1 mg/L exceeds the EPA maximum of 0.003 mg/L. Endocrine disruption, cardiovascular & reproductive effects. Consider granular activated carbon (GAC) filtration.

Bromate at 1 mg/L exceeds the EPA maximum of 0.01 mg/L.

PFAS Detected in Service Area

PFAS ("forever chemicals") have been detected in water serving this system's area. 6 detections recorded. 1 exceeds federal EPA limits (4 ppt for PFOA/PFOS).

State limits: PFOA: 0.002 ppt, PFOS: 0.014 ppt
Health concern: PFAS are linked to cancer, thyroid disease, immune suppression, and developmental effects. They do not break down naturally.
Recommended filter: Reverse osmosis (RO) or activated carbon filters certified for PFAS removal. Find the right filter โ†’

Chlorodibromomethane was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.

Find a certified water filter โ†’

Comparable Water Systems

Similar-sized systems in Illinois

0 violations
Litchfield
6,648 people
40 violations
Volo
6,629 people
21 violations
0 violations
1 violation

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Radon Mitigation Flood Insurance PFAS Treatment
Radon Mitigation $1,200
Flood Insurance $1,200
PFAS Treatment $600
Total Estimated Cost $3,000

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.

Cost of Inaction

If water quality issues in this service area are not addressed, the estimated financial impact per household is:

Estimated Healthcare Costs $1,500

Annual per household (CDC est.)

PFAS Exposure - Lifetime Cost $1,000

Per person (emerging research est.)

Estimated Cumulative Cost Per Household

5 years
$7,665
10 years
$15,330
20 years
$30,660

Compare: Estimated remediation cost is $3,000 (one-time) vs. $15,330 in estimated inaction costs over 10 years.

Estimates based on published EPA, CDC, and peer-reviewed research. Individual costs vary by household size, property, and health factors. These are conservative lower-bound estimates intended for awareness, not financial advice.

System Overview

Chillicothe (EPA ID: IL1430200) is a community water system in Illinois that serves approximately 6,660 people from groundwater sources.

This system serves ZIP code 61523 in Chillicothe.

ZIP-Area Home Safety Context: F (39/100)

This is the average Home Safety Score for 1 of 1 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.

Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.

Violation History

No current noncompliance in the accepted 2026Q2 snapshot. The 26 records in the 2021-2026 window are classified as resolved or archived, not current.

Status breakdown for accepted records with record years 2021-2026: 26 resolved, 0 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.

Recent Violations

Date Contaminant Type Status
July 2, 2025 Stage 2 DBP Rule Non-health-based Resolved
May 1, 2025 Consumer Confidence Report Rule Non-health-based Resolved
May 1, 2025 Revised Total Coliform Rule Non-health-based Resolved
January 1, 2024 Haloacetic Acids (HAA5) Non-health-based Resolved
July 1, 2023 Surface Water Treatment Rule Non-health-based Resolved
April 1, 2023 Atrazine Non-health-based Resolved
July 1, 2022 PFOA Non-health-based Resolved
July 1, 2022 PFNA Non-health-based Resolved
July 1, 2022 Monochloroacetic Acid Non-health-based Resolved
July 1, 2022 Dichloroacetic Acid Non-health-based Resolved
July 1, 2022 Bromodichloromethane Non-health-based Resolved
July 1, 2022 Dibromochloromethane Non-health-based Resolved
July 1, 2022 Chlorodibromomethane Non-health-based Resolved
July 1, 2022 Trichloroacetic Acid Non-health-based Resolved
July 1, 2022 Monobromoacetic Acid Non-health-based Resolved
July 1, 2022 Dibromoacetic Acid Non-health-based Resolved
July 1, 2022 Bromochloroacetic Acid Non-health-based Resolved
July 1, 2022 Bromodichloroacetic Acid Non-health-based Resolved
July 1, 2022 Chlorodibromoacetic Acid Non-health-based Resolved
July 1, 2022 Tribromoacetic Acid Non-health-based Resolved

Contaminants Detected

The following contaminants have been flagged in EPA records for this water system:

Contaminant Category Violations Health-Based
Atrazine Organic 1 No
PFOA PFAS 1 No
PFNA PFAS 1 No
Haloacetic Acids (HAA5) Disinfection Byproducts 1 No
Monochloroacetic Acid Disinfection Byproducts 1 No
Dichloroacetic Acid Disinfection Byproducts 1 No
Bromodichloromethane Disinfection Byproducts 1 No
Dibromochloromethane Disinfection Byproducts 1 No
Chlorodibromomethane Disinfection Byproducts 1 No
Trichloroacetic Acid Disinfection Byproducts 1 No
Monobromoacetic Acid Disinfection Byproducts 1 No
Dibromoacetic Acid Disinfection Byproducts 1 No
Bromochloroacetic Acid Disinfection Byproducts 1 No
Bromodichloroacetic Acid Disinfection Byproducts 1 No
Chlorodibromoacetic Acid Disinfection Byproducts 1 No

Lead & Copper

EPA Lead and Copper Rule evidence attributed directly to this water system:

Lead Level Exceeds Action Level Sample Date
0 mg/L No N/A

No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.

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 $20โ€“$50 (DIY kit) ยท Professional inspection: $150โ€“$400

Find the Right Water Filter

Free tip: Let cold water run for 2 minutes before drinking โ€” 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.

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Chillicothe (IL1430200) on EPA.gov.

Frequently Asked Questions

Is Chillicothe water safe to drink?

The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Chillicothe; its 26 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.

How many people does Chillicothe serve?

Chillicothe serves approximately 6,660 people across 1 ZIP code in Illinois.

Where does Chillicothe get its water?

The primary water source is groundwater.

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.

Samples collected
406
Detections
4
Latest sample
12/3/2024
Highest analyte
6:2 FTS: 5 ppt
Analyte Max detected Current MCL Status
6:2 FTS 5 ppt โ€” โ€”
PFPeA 4.4 ppt โ€” โ€”
PFHxA 3.4 ppt โ€” โ€”

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) โ€” per-system federal sampling, 2023โ€“2025. EPA UCMR5 monitoring program โ†’

Understand PFAS health context and filtration โ†’

Frequently Asked Questions

Is water from Chillicothe safe to drink?
Chillicothe has a F safety grade based on 26 recorded violations. Some contaminants may exceed EPA limits - independent testing is recommended.
What contaminants are in Chillicothe's water?
Detected contaminants include PFOA, PFNA, Chlorodibromomethane, Atrazine. Each is compared against EPA maximum contaminant levels (MCLs) in the detailed breakdown above.
Should I use a water filter?
Given 5 contaminants above EPA limits, a certified water filter can provide an extra layer of protection. The best type depends on specific contaminants in your water.
How many people does Chillicothe serve?
Chillicothe serves approximately 6,660 people with drinking water across 1 ZIP code.
What is Chillicothe's water source?
Chillicothe draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
What is the demographic profile of Chillicothe's service area?
The Chillicothe service area has a median household income of $74,100. EPA EJScreen data classifies 33% of the population as disadvantaged, which may indicate greater vulnerability to environmental health risks.
Where does Chillicothe get its water?
Chillicothe's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table. Based on the exported violation history and environmental factors, the source contamination risk is classified as elevated.

How to cite this page

APA ZipCheckup. (n.d.). Chillicothe (IL): 26 EPA Violations. https://zipcheckup.com/water-system/il1430200/
BibTeX
@misc{zipcheckup-water-system-il1430200,
  author = {{ZipCheckup}},
  title  = {{Chillicothe (IL): 26 EPA Violations}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/il1430200/}
}

What You Can Do

1

Test your water

Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter โ†’

2

Check your specific ZIP code

Water quality can vary within a system. View nearest ZIP report โ†’

3

Contact your utility

Chillicothe (EPA ID: IL1430200) - request the latest Consumer Confidence Report or ask about specific contaminants.

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