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Community Water System · PWS MT0000088

Pleasant Hill Estates HOA

Kalispell, Montana 59901 - drinking water served from groundwater sources to 90 people, tracked in EPA SDWIS and UCMR5.

90
People served
263
EPA violations
14
Health-based
Untested
UCMR5 result

The verdict

EPA records 263 drinking-water violations at Pleasant Hill Estates HOA, 5% of them health-based - above the Montana per-system average.

263
Total EPA violations on record
5%
Health-based (MCL / treatment failure)
90
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Pleasant Hill Estates HOA

Pleasant Hill Estates HOA is a private-owned community water system that delivers drinking water to 90 residents in Kalispell, Montana (Flathead County) through 34 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 263 total violations for this system , of which 14 (5%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 227 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 Consumer Confidence Rule, recorded in 19 violations (Other). 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%).

Pleasant Hill Estates HOA's 263 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
90
Total Violations
263
Health-Based Violations
14
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
34
County
Flathead
School/Daycare
No
MCL Violations
10
Monitoring Violations
227
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 19 2025
Coliform (TCR) MCL 10 2009
Arsenic MR 9 2002
Nickel MR 4 2002
Antimony, Total MR 4 2002
Endrin MR 4 2002
Dalapon MR 4 2002
Di(2-ethylhexyl) adipate MR 4 2002
OXAMYL MR 4 2002
Di(2-ethylhexyl) phthalate MR 4 2002
Aldicarb sulfoxide MR 4 2002
Aldicarb sulfone MR 4 2002
Carbofuran MR 4 2002
Atrazine MR 4 2002
2,4-D MR 4 2002
HEXACHLOROBENZENE MR 4 2002
Chlordane MR 4 2002
cis-1,2-Dichloroethylene MR 4 2002
DICHLOROMETHANE MR 4 2002
o-Dichlorobenzene MR 4 2002
p-Dichlorobenzene MR 4 2002
Vinyl chloride MR 4 2002
1,1-Dichloroethylene MR 4 2002
1,2-Dichloroethane MR 4 2002
Carbon tetrachloride MR 4 2002
1,2-Dichloropropane MR 4 2002
Trichloroethylene MR 4 2002
Tetrachloroethylene MR 4 2002
Benzene MR 4 2002
Toluene MR 4 2002

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 Pleasant Hill Estates HOA.

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 MT0000088 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 19 SDWIS / MT0000088 / 7000
2023 Revised Total Coliform Rule TT 4 SDWIS / MT0000088 / 8000
2016 Revised Total Coliform Rule Other 3 SDWIS / MT0000088 / 8000
2009 Coliform (TCR) MCL 10 SDWIS / MT0000088 / 3100
2004 Lead and Copper Rule MR 3 SDWIS / MT0000088 / 5000
2002 Arsenic MR 9 SDWIS / MT0000088 / 1005
2002 Nickel MR 4 SDWIS / MT0000088 / 1036
2002 Antimony, Total MR 4 SDWIS / MT0000088 / 1074
2002 Endrin MR 4 SDWIS / MT0000088 / 2005
2002 Dalapon MR 4 SDWIS / MT0000088 / 2031
2002 Di(2-ethylhexyl) adipate MR 4 SDWIS / MT0000088 / 2035
2002 OXAMYL MR 4 SDWIS / MT0000088 / 2036
2002 Di(2-ethylhexyl) phthalate MR 4 SDWIS / MT0000088 / 2039
2002 Aldicarb sulfoxide MR 4 SDWIS / MT0000088 / 2043
2002 Aldicarb sulfone MR 4 SDWIS / MT0000088 / 2044

How Pleasant Hill Estates HOA Compares

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

Metric Pleasant Hill Estates HOA Montana avg Federal benchmark
Total violations 263 131.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 14 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 90 492 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 Pleasant Hill Estates HOA water safe to drink? ▼
Pleasant Hill Estates HOA (PWS ID: MT0000088) has 263 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 90 people using Groundwater sources.
How many people does Pleasant Hill Estates HOA serve? ▼
Pleasant Hill Estates HOA serves 90 people in Kalispell, Montana. It is a Private-owned system using Groundwater water sources with 34 service connections.
What type of violations does Pleasant Hill Estates HOA have? ▼
Pleasant Hill Estates HOA has 263 total violations: 14 health-based violations (MCL exceedances or treatment failures), 227 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Pleasant Hill Estates HOA water? ▼
No PFAS testing data is available for Pleasant Hill Estates HOA under the EPA's UCMR5 monitoring program.
What water source does Pleasant Hill Estates HOA use? ▼
Pleasant Hill Estates HOA 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.