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Non-Transient Non-Community Water System · PWS MI2019681

Stony Creek Preschool & Child Care Ctr

Milan, Michigan 48160 - drinking water served from groundwater sources to 182 people, tracked in EPA SDWIS and UCMR5.

182
People served
30
EPA violations
13
Health-based
Untested
UCMR5 result

The verdict

EPA records 30 drinking-water violations at Stony Creek Preschool & Child Care Ctr, 43% of them health-based - above the Michigan per-system average.

30
Total EPA violations on record
43%
Health-based (MCL / treatment failure)
182
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Stony Creek Preschool & Child Care Ctr

Stony Creek Preschool & Child Care Ctr is a private-owned non-transient non-community water system that delivers drinking water to 182 residents in Milan, Michigan (Washtenaw County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 30 total violations for this system , of which 13 (43%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 17 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 13 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Michigan, EPA tracks 10,959 public water systems serving 9,098,093 people, with 255,201 cumulative violations and 31,467 health-based violations on record. About 86% of systems in the state carry at least one violation, and state-wide the average per system is 23.3 violations. Statewide, 44 of 318 UCMR5-tested systems have reported PFAS detections (13.8%).

Stony Creek Preschool & Child Care Ctr's 30 violations sit above the Michigan average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
182
Total Violations
30
Health-Based Violations
13
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Washtenaw
School/Daycare
Yes
MCL Violations
13
Monitoring Violations
17
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 13 2006
Lead and Copper Rule MR 7 2006
Coliform (TCR) MR 4 1996
Revised Total Coliform Rule MON 3 2024
Nitrate MR 3 2024

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Stony Creek Preschool & Child Care Ctr.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID MI2019681 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Michigan Drinking Water Authority

Michigan EGLE, Drinking Water and Environmental Health Division is the primacy agency that licenses and inspects Stony Creek Preschool & Child Care Ctr under EPA-delegated authority.

Open MI regulator portal

Source: Michigan EGLE, Drinking Water and Environmental Health Division

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Revised Total Coliform Rule MON 3 SDWIS / MI2019681 / 8000
2024 Nitrate MR 3 SDWIS / MI2019681 / 1040
2006 Coliform (TCR) MCL 13 SDWIS / MI2019681 / 3100
2006 Lead and Copper Rule MR 7 SDWIS / MI2019681 / 5000
1996 Coliform (TCR) MR 4 SDWIS / MI2019681 / 3100

How Stony Creek Preschool & Child Care Ctr Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Stony Creek Preschool & Child Care Ctr Michigan avg Federal benchmark
Total violations 30 23.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 13 2.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 13.8% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 182 830 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 10,959 regulated public water systems in Michigan.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Stony Creek Preschool & Child Care Ctr water safe to drink? ▼
Stony Creek Preschool & Child Care Ctr (PWS ID: MI2019681) has 30 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 182 people using Groundwater sources.
How many people does Stony Creek Preschool & Child Care Ctr serve? ▼
Stony Creek Preschool & Child Care Ctr serves 182 people in Milan, Michigan. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Stony Creek Preschool & Child Care Ctr have? ▼
Stony Creek Preschool & Child Care Ctr has 30 total violations: 13 health-based violations (MCL exceedances or treatment failures), 17 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Stony Creek Preschool & Child Care Ctr water? ▼
No PFAS testing data is available for Stony Creek Preschool & Child Care Ctr under the EPA's UCMR5 monitoring program.
What water source does Stony Creek Preschool & Child Care Ctr use? ▼
Stony Creek Preschool & Child Care Ctr uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.