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Non-Transient Non-Community Water System · PWS MI2017333

Hundred Acre Wood Daycare

Holt, Michigan 48842 — drinking water served from groundwater sources to 35 people, tracked in EPA SDWIS and UCMR5.

35
People served
137
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 137 drinking-water violations at Hundred Acre Wood Daycare, 3% of them health-based — above the Michigan per-system average.

137
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
35
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hundred Acre Wood Daycare

Hundred Acre Wood Daycare is a private-owned non-transient non-community water system that delivers drinking water to 35 residents in Holt, Michigan (Ingham County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 137 total violations for this system , of which 4 (3%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 133 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 24 violations (MON). 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. Hundred Acre Wood Daycare's 137 violations sit above the Michigan average. Statewide, 87 of 318 UCMR5-tested systems have reported PFAS detections (27.4%). 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
35
Total Violations
137
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Ingham
School/Daycare
Yes
MCL Violations
4
Monitoring Violations
133
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 24 2022
Coliform (TCR) MR 23 2014
Lead and Copper Rule MR 13 2023
Nitrate MR 8 2022
Coliform (TCR) MCL 4 2008
Arsenic MR 3 2017
Cadmium MR 2 2008
Chromium MR 2 2008
Antimony, Total MR 2 2008
Beryllium, Total MR 2 2008
Thallium, Total MR 2 2008
Endrin MR 2 2011
BHC-GAMMA MR 2 2011
Simazine MR 2 2011
Dinoseb MR 2 2011
Hexachlorocyclopentadiene MR 2 2011
Aldicarb sulfoxide MR 2 2011
Aldicarb sulfone MR 2 2011
Carbofuran MR 2 2011
Aldicarb MR 2 2011
Atrazine MR 2 2011
LASSO MR 2 2011
Heptachlor MR 2 2011
2,4,5-TP MR 2 2011
HEXACHLOROBENZENE MR 2 2011
Pentachlorophenol MR 2 2011
Total Polychlorinated Biphenyls (PCB) MR 2 2011
Heptachlor epoxide MR 2 2011
Barium MR 2 2008
Chlordane MR 2 2011

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 Hundred Acre Wood Daycare.

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 MI2017333 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 Hundred Acre Wood Daycare 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
2023 Lead and Copper Rule MR 13 SDWIS / MI2017333 / 5000
2022 Revised Total Coliform Rule MON 24 SDWIS / MI2017333 / 8000
2022 Nitrate MR 8 SDWIS / MI2017333 / 1040
2017 Arsenic MR 3 SDWIS / MI2017333 / 1005
2014 Coliform (TCR) MR 23 SDWIS / MI2017333 / 3100
2011 Endrin MR 2 SDWIS / MI2017333 / 2005
2011 BHC-GAMMA MR 2 SDWIS / MI2017333 / 2010
2011 Simazine MR 2 SDWIS / MI2017333 / 2037
2011 Dinoseb MR 2 SDWIS / MI2017333 / 2041
2011 Hexachlorocyclopentadiene MR 2 SDWIS / MI2017333 / 2042
2011 Aldicarb sulfoxide MR 2 SDWIS / MI2017333 / 2043
2011 Aldicarb sulfone MR 2 SDWIS / MI2017333 / 2044
2011 Carbofuran MR 2 SDWIS / MI2017333 / 2046
2011 Aldicarb MR 2 SDWIS / MI2017333 / 2047
2011 Atrazine MR 2 SDWIS / MI2017333 / 2050

How Hundred Acre Wood Daycare Compares

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

Metric Hundred Acre Wood Daycare Michigan avg Federal benchmark
Total violations 137 23.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 2.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 27.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 35 830 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Hundred Acre Wood Daycare water safe to drink? ▼
Hundred Acre Wood Daycare (PWS ID: MI2017333) has 137 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 35 people using Groundwater sources.
How many people does Hundred Acre Wood Daycare serve? ▼
Hundred Acre Wood Daycare serves 35 people in Holt, Michigan. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Hundred Acre Wood Daycare have? ▼
Hundred Acre Wood Daycare has 137 total violations: 4 health-based violations (MCL exceedances or treatment failures), 133 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hundred Acre Wood Daycare water? ▼
No PFAS testing data is available for Hundred Acre Wood Daycare under the EPA's UCMR5 monitoring program.
What water source does Hundred Acre Wood Daycare use? ▼
Hundred Acre Wood Daycare 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.

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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.

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