Historical Compliance Records IL

Hamilton County Water District

EPA ID: IL0651000 ยท 3,958 people served ยท 4 ZIP codes

ZipCheckup's reading of EPA SDWIS for Hamilton County Water District (IL0651000): 2 EPA violations in the last five years. Records for Hamilton County Water District show 2 violations over the monitored period, with every finding addressed and officially closed - the provider, which serves approximately 3,958 people, carries no outstanding enforcement actions in the current EPA dataset and meets all applicable drinking water requirements.

Data: EPA SDWIS

B ยท 83
Avg Safety Score
3,958
People Served
4
ZIP Codes Served
2
Violations (5yr)
Surface Water
Water Source
Zone 2
Radon Risk ยท Moderate
2
Contaminants Flagged
$100K
Median Home Value in Service Area

Service Area Map

Coverage area for Hamilton County Water District Source: EPA SDWIS service area boundaries.

Service area boundary - Grade B

Service Area Demographics

$65,474
Median Household Income
8,568
Service Area Population
19%
Disadvantaged Population
63th
Poverty Percentile
78th
Energy Burden Percentile
63%
Pre-1986 Housing

The Hamilton County Water District serves a community with a median household income of $65,474 and an estimated 8,568 residents across its service area. Approximately 63% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

๐ŸŒŠ Where Does Your Water Come From?

Surface Water

Hamilton County Water District'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.

Moderate Risk
Source Contamination Risk
25th
Wastewater Discharge Proximity
15th
Superfund Site Proximity

Infrastructure Risk

48 yr
Avg Pipe Age
Copper
Pipe Material
21 yr
Est. Remaining Life
Stable
Decay Status
Installed 70% of expected lifespan used End of life

Detected Contaminants

How Hamilton County Water District compares to EPA limits

Haloacetic Acids (HAA5) 1 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.06 mg/L
Cancer risk; reproductive & developmental effects
Total Trihalomethanes (TTHM) 1 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.08 mg/L
Bladder & rectal cancer risk; reproductive concerns

What This Means For You

Haloacetic Acids (HAA5) at 1 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.

PFAS Detected in Service Area

PFAS ("forever chemicals") have been detected in water serving this system's area. 4 detections recorded.

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†’

Haloacetic Acids (HAA5) 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

Rosemont
3,952 people
1 violation
Marshall
3,947 people
B 3 violations
North East Central Pwd
3,975 people
0 violations
Burnham
3,989 people
15 violations
South Chicago Heights
3,924 people
1 violation

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

PFAS Treatment Radon Mitigation
PFAS Treatment $500
Radon Mitigation $400
Total Estimated Cost $900

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 $500

Annual per household (CDC est.)

PFAS Exposure - Lifetime Cost $1,000

Per person (emerging research est.)

Estimated Cumulative Cost Per Household

5 years
$2,665
10 years
$5,330
20 years
$10,660

Compare: Estimated remediation cost is $900 (one-time) vs. $5,330 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

Hamilton County Water District (EPA ID: IL0651000) is a community water system in Illinois that serves approximately 3,958 people from surface water sources.

This system provides water to 4 ZIP codes across 4 communities.

ZIP-Area Home Safety Context: B (83/100)

This is the average Home Safety Score for 2 of 4 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 2 records in the 2021-2026 window are classified as resolved or archived, not current.

Status breakdown for accepted records with record years 2021-2026: 2 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
March 1, 2021 Haloacetic Acids (HAA5) Non-health-based Resolved
March 1, 2021 Total Trihalomethanes (TTHM) Non-health-based Resolved

Contaminants Detected

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

Contaminant Category Violations Health-Based
Total Trihalomethanes (TTHM) Disinfection Byproducts 1 No
Haloacetic Acids (HAA5) 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 2 (Moderate 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 Hamilton County Water District (IL0651000) on EPA.gov.

Frequently Asked Questions

Is Hamilton County Water District water safe to drink?

The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Hamilton County Water District; its 2 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.

How many people does Hamilton County Water District serve?

Hamilton County Water District serves approximately 3,958 people across 4 ZIP codes in Illinois.

Where does Hamilton County Water District 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.

Samples collected
116
Detections
1
Latest sample
12/5/2023
Highest analyte
PFBA: 6 ppt
Analyte Max detected Current MCL Status
PFBA 6 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 Hamilton County Water District safe to drink?
Hamilton County Water District earns a B safety grade with 2 violations in the past 5 years. Tap water meets EPA standards for most contaminants.
What contaminants are in Hamilton County Water District's water?
Detected contaminants include Haloacetic Acids (HAA5), Total Trihalomethanes (TTHM). Each is compared against EPA maximum contaminant levels (MCLs) in the detailed breakdown above.
Should I use a water filter?
Given 2 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 Hamilton County Water District serve?
Hamilton County Water District serves approximately 3,958 people with drinking water across 4 ZIP codes.
What is Hamilton County Water District's water source?
Hamilton County Water District draws water from surface water sources. Source type affects which contaminants are most likely to be present.
What is the demographic profile of Hamilton County Water District's service area?
The Hamilton County Water District service area has a median household income of $65,474. Demographic data is sourced from the U.S. Census Bureau and EPA EJScreen.
Where does Hamilton County Water District get its water?
Hamilton County Water District'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. Based on available data, the source contamination risk is moderate.

How to cite this page

APA ZipCheckup. (n.d.). Hamilton County Water District (IL): 2 EPA Violations. https://zipcheckup.com/water-system/il0651000/
BibTeX
@misc{zipcheckup-water-system-il0651000,
  author = {{ZipCheckup}},
  title  = {{Hamilton County Water District (IL): 2 EPA Violations}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/il0651000/}
}

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

Hamilton County Water District (EPA ID: IL0651000) - request the latest Consumer Confidence Report or ask about specific contaminants.

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