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Non-Transient Non-Community Water System · PWS MT0003860

Grace Lutheran Childcare and Preschool

Hamilton, Montana 59840 - drinking water served from groundwater sources to 100 people, tracked in EPA SDWIS and UCMR5.

100
People served
587
EPA violations
3
Health-based
Untested
UCMR5 result

The verdict

EPA records 587 drinking-water violations at Grace Lutheran Childcare and Preschool, 1% of them health-based - above the Montana per-system average.

587
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
100
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Grace Lutheran Childcare and Preschool

Grace Lutheran Childcare and Preschool is a private-owned non-transient non-community water system that delivers drinking water to 100 residents in Hamilton, Montana (Ravalli County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 587 total violations for this system , of which 3 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 584 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 60 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Montana, EPA tracks 2,263 public water systems serving 1,112,267 people, with 297,270 cumulative violations and 25,922 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 131.4 violations. Statewide, 5 of 45 UCMR5-tested systems have reported PFAS detections (11.1%).

Grace Lutheran Childcare and Preschool's 587 violations sit above the Montana 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
100
Total Violations
587
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Ravalli
School/Daycare
No
MCL Violations
0
Monitoring Violations
584
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 60 2007
Endrin MR 11 2002
Methoxychlor MR 11 2002
Toxaphene MR 11 2002
Di(2-ethylhexyl) adipate MR 11 2002
OXAMYL MR 11 2002
Simazine MR 11 2002
Picloram MR 11 2002
Carbofuran MR 11 2002
Aldicarb MR 11 2002
Atrazine MR 11 2002
Heptachlor epoxide MR 11 2002
2,4-D MR 11 2002
2,4,5-TP MR 11 2002
Benzo(a)pyrene MR 11 2002
BHC-GAMMA MR 11 2002
Dalapon MR 11 2002
Aldicarb sulfoxide MR 11 2002
LASSO MR 11 2002
Heptachlor MR 11 2002
Pentachlorophenol MR 11 2002
Dinoseb MR 11 2002
Aldicarb sulfone MR 11 2002
Di(2-ethylhexyl) phthalate MR 10 2002
Hexachlorocyclopentadiene MR 10 2002
HEXACHLOROBENZENE MR 10 2002
Coliform (TCR) MR 10 2006
Chlordane MR 9 2002
Nitrate-Nitrite MR 7 2003
Total Polychlorinated Biphenyls (PCB) MR 7 1999

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 Grace Lutheran Childcare and Preschool.

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 MT0003860 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Montana Drinking Water Authority

Montana's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find MT regulator via EPA SDWIS

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
2020 Asbestos MR 3 SDWIS / MT0003860 / 1094
2007 Lead and Copper Rule MR 60 SDWIS / MT0003860 / 5000
2006 Coliform (TCR) MR 10 SDWIS / MT0003860 / 3100
2005 o-Dichlorobenzene MR 6 SDWIS / MT0003860 / 2968
2005 p-Dichlorobenzene MR 6 SDWIS / MT0003860 / 2969
2005 1,1-Dichloroethylene MR 6 SDWIS / MT0003860 / 2977
2005 trans-1,2-Dichloroethylene MR 6 SDWIS / MT0003860 / 2979
2005 1,2-Dichloroethane MR 6 SDWIS / MT0003860 / 2980
2005 1,1,1-Trichloroethane MR 6 SDWIS / MT0003860 / 2981
2005 Carbon tetrachloride MR 6 SDWIS / MT0003860 / 2982
2005 1,1,2-Trichloroethane MR 6 SDWIS / MT0003860 / 2985
2005 Tetrachloroethylene MR 6 SDWIS / MT0003860 / 2987
2005 Toluene MR 6 SDWIS / MT0003860 / 2991
2005 Xylenes, Total MR 6 SDWIS / MT0003860 / 2955
2005 DICHLOROMETHANE MR 6 SDWIS / MT0003860 / 2964

How Grace Lutheran Childcare and Preschool Compares

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

Metric Grace Lutheran Childcare and Preschool Montana avg Federal benchmark
Total violations 587 131.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 3 11.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 11.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 100 492 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,263 regulated public water systems in Montana.

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 Grace Lutheran Childcare and Preschool water safe to drink? ▼
Grace Lutheran Childcare and Preschool (PWS ID: MT0003860) has 587 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 100 people using Groundwater sources.
How many people does Grace Lutheran Childcare and Preschool serve? ▼
Grace Lutheran Childcare and Preschool serves 100 people in Hamilton, Montana. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Grace Lutheran Childcare and Preschool have? ▼
Grace Lutheran Childcare and Preschool has 587 total violations: 3 health-based violations (MCL exceedances or treatment failures), 584 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Grace Lutheran Childcare and Preschool water? ▼
No PFAS testing data is available for Grace Lutheran Childcare and Preschool under the EPA's UCMR5 monitoring program.
What water source does Grace Lutheran Childcare and Preschool use? ▼
Grace Lutheran Childcare and Preschool 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.