Water System Report IL

Mill Creek Pwd

EPA ID: IL0015300 · 5,755 people served · 4 ZIP codes

With a five-year violation-free history, Mill Creek Pwd delivers safe water to 5,755 residents.

Data: EPA SDWIS Last verified: 2026-04-02

B · 70
Avg Safety Score
5,755
People Served
4
ZIP Codes Served
0
Violations (5yr)
Groundwater
Water Source
0.0033 mg/L
Max Lead Level
Zone 1
Radon Risk · High
0
Contaminants Flagged
$126K
Median Home Value in Service Area

Service Area Map

Coverage area for Mill Creek Pwd Source: EPA SDWIS service area boundaries.

Service area boundary — Grade B

Service Area Demographics

$58,427
Median Household Income
51,604
Service Area Population
22%
Disadvantaged Population
50th
Poverty Percentile
50th
Energy Burden Percentile
74%
Pre-1986 Housing

The Mill Creek Pwd serves a community with a median household income of $58,427 and an estimated 51,604 residents across its service area. Approximately 74% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

💧 Where Does Your Water Come From?

Groundwater

Mill Creek Pwd'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.

Moderate Risk
Source Contamination Risk
30th
Wastewater Discharge Proximity
70th
Superfund Site Proximity

About 2% of homes in Adams County, Illinois rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.

Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.

Infrastructure Risk

51 yr
Avg Pipe Age
Copper
Pipe Material
18 yr
Est. Remaining Life
Stable
Decay Status
Installed 74% of expected lifespan used End of life

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 →

Comparable Water Systems

Similar-sized systems in Illinois

Staunton
5,756 people
B 1 violation
Coal City
5,749 people
C 20 violations
East Alton
5,786 people
C 1 violation
Pana
5,800 people
B 2 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Flood Insurance Radon Mitigation PFAS Treatment
Flood Insurance $1,350
Radon Mitigation $1,200
PFAS Treatment $250
Total Estimated Cost $2,800

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:

PFAS Exposure — Lifetime Cost $1,000

Per person (emerging research est.)

Estimated Cumulative Cost Per Household

5 years
$165
10 years
$330
20 years
$660

Compare: Estimated remediation cost is $2,800 (one-time) vs. $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

Mill Creek Pwd (EPA ID: IL0015300) is a community water system in Illinois that serves approximately 5,755 people from groundwater sources.

This system provides water to 4 ZIP codes across 2 communities.

Average Home Safety Score: B (70/100)

Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.

Violation History

No violations recorded — This water system has no recorded EPA violations in the past 5 years.

Lead & Copper

EPA Lead and Copper Rule sampling data for ZIP codes served by this system:

ZIP Code Lead Level Exceeds Limit Sample Date
62360 0.0033 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 Filter

Free tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.

ZIP Codes Served

Coverage: 3 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 1 additional ZIP inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Mill Creek Pwd (IL0015300) on EPA.gov.

Frequently Asked Questions

Is Mill Creek Pwd water safe to drink?

Based on EPA records, Mill Creek Pwd has no recorded violations in the past 5 years — a positive indicator of water quality management.

How many people does Mill Creek Pwd serve?

Mill Creek Pwd serves approximately 5,755 people across 4 ZIP codes in Illinois.

Where does Mill Creek Pwd get its water?

The primary water source is groundwater.

Water Source & Treatment

Where this water originates and how it's treated before reaching your tap.

Source
Groundwater
Drawn from underground aquifers via wells.

Source: MILL CREEK PWD Consumer Confidence Report.

ZipCheckup is not affiliated with this water utility. Treatment and source data are sourced from the utility's published CCR filings.

Federal UCMR5 PFAS Monitoring: Tested Clean

This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.

Samples collected
58

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 →

Understand PFAS health context and filtration →

Lead Service Line Inventory

Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:

0
Confirmed Lead
0
Galvanized — Replacement Required
0
Unknown Material
2,306
Confirmed Non-Lead

This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.

Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.

Federal Regulatory Status · 2026Q1
LCRR inventory submission: Reported all required service line types
Latest tap sample on 2025-01-01 did not exceed the federal lead action level.
Population served: 5,755
Reported to Illinois

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.

Learn about lead in drinking water →

Frequently Asked Questions

Is water from Mill Creek Pwd safe to drink?
Mill Creek Pwd earns a B safety grade with 0 violations in the past 5 years. Tap water meets EPA standards for most contaminants.
Should I use a water filter?
Mill Creek Pwd meets EPA standards, but a water filter can reduce trace contaminants below detectable levels for added peace of mind.
How many people does Mill Creek Pwd serve?
Mill Creek Pwd serves approximately 5,755 people with drinking water across 4 ZIP codes.
What is Mill Creek Pwd's water source?
Mill Creek Pwd draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
Is there lead in Mill Creek Pwd's water?
The maximum detected lead level is 0.0033 mg/L. This is within EPA action level guidelines.
What is the demographic profile of Mill Creek Pwd's service area?
The Mill Creek Pwd service area has a median household income of $58,427. Demographic data is sourced from the U.S. Census Bureau and EPA EJScreen.
Where does Mill Creek Pwd get its water?
Mill Creek Pwd'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 available data, the source contamination risk is moderate.
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