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Community Water System · PWS MT0000038

Sleeping Giant Community Inc

Livingston, Montana 59047 - drinking water served from groundwater sources to 50 people, tracked in EPA SDWIS and UCMR5.

50
People served
134
EPA violations
27
Health-based
Untested
UCMR5 result

The verdict

EPA records 134 drinking-water violations at Sleeping Giant Community Inc, 20% of them health-based - above the Montana per-system average.

134
Total EPA violations on record
20%
Health-based (MCL / treatment failure)
50
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sleeping Giant Community Inc

Sleeping Giant Community Inc is a private-owned community water system that delivers drinking water to 50 residents in Livingston, Montana (Park County) through 27 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 134 total violations for this system , of which 27 (20%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 91 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 24 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 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, 28 of 45 UCMR5-tested systems have reported PFAS detections (62.2%).

Sleeping Giant Community Inc's 134 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
50
Total Violations
134
Health-Based Violations
27
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
27
County
Park
School/Daycare
No
MCL Violations
27
Monitoring Violations
91
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 24 2011
Coliform (TCR) MR 14 2015
Nitrate-Nitrite MR 14 2020
Consumer Confidence Rule Other 12 2025
E. COLI MR 9 2017
Barium MR 4 2011
Chromium MR 4 2011
Fluoride MR 4 2011
Mercury MR 4 2011
Selenium MR 4 2011
CYANIDE MR 4 2020
Endothall MR 4 2020
Glyphosate MR 4 2020
Total Polychlorinated Biphenyls (PCB) MR 4 2020
1,2-DIBROMO-3-CHLOROPROPANE MR 4 2020
ETHYLENE DIBROMIDE MR 4 2020
Cadmium MR 4 2011
Diquat MR 4 2020
Combined Radium (-226 and -228) MCL 3 2002
Lead and Copper Rule MR 2 2014

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 Sleeping Giant Community Inc.

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 MT0000038 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
2025 Consumer Confidence Rule Other 12 SDWIS / MT0000038 / 7000
2020 Nitrate-Nitrite MR 14 SDWIS / MT0000038 / 1038
2020 CYANIDE MR 4 SDWIS / MT0000038 / 1024
2020 Endothall MR 4 SDWIS / MT0000038 / 2033
2020 Glyphosate MR 4 SDWIS / MT0000038 / 2034
2020 Total Polychlorinated Biphenyls (PCB) MR 4 SDWIS / MT0000038 / 2383
2020 1,2-DIBROMO-3-CHLOROPROPANE MR 4 SDWIS / MT0000038 / 2931
2020 ETHYLENE DIBROMIDE MR 4 SDWIS / MT0000038 / 2946
2020 Diquat MR 4 SDWIS / MT0000038 / 2032
2017 E. COLI MR 9 SDWIS / MT0000038 / 3014
2015 Coliform (TCR) MR 14 SDWIS / MT0000038 / 3100
2014 Lead and Copper Rule MR 2 SDWIS / MT0000038 / 5000
2011 Coliform (TCR) MCL 24 SDWIS / MT0000038 / 3100
2011 Barium MR 4 SDWIS / MT0000038 / 1010
2011 Chromium MR 4 SDWIS / MT0000038 / 1020

How Sleeping Giant Community Inc Compares

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

Metric Sleeping Giant Community Inc Montana avg Federal benchmark
Total violations 134 131.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 27 11.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 62.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 50 492 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 Sleeping Giant Community Inc water safe to drink? ▼
Sleeping Giant Community Inc (PWS ID: MT0000038) has 134 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 50 people using Groundwater sources.
How many people does Sleeping Giant Community Inc serve? ▼
Sleeping Giant Community Inc serves 50 people in Livingston, Montana. It is a Private-owned system using Groundwater water sources with 27 service connections.
What type of violations does Sleeping Giant Community Inc have? ▼
Sleeping Giant Community Inc has 134 total violations: 27 health-based violations (MCL exceedances or treatment failures), 91 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Sleeping Giant Community Inc water? ▼
No PFAS testing data is available for Sleeping Giant Community Inc under the EPA's UCMR5 monitoring program.
What water source does Sleeping Giant Community Inc use? ▼
Sleeping Giant Community Inc uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
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.