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Community Water System · PWS MT0004545

Pheasant Haven Estates

Kalispell, Montana 59903 - drinking water served from groundwater sources to 53 people, tracked in EPA SDWIS and UCMR5.

53
People served
353
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 353 drinking-water violations at Pheasant Haven Estates - above the Montana per-system average.

353
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
53
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Pheasant Haven Estates

Pheasant Haven Estates is a private-owned community water system that delivers drinking water to 53 residents in Kalispell, Montana (Flathead County) through 22 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 353 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 351 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Endrin, recorded in 12 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%).

Pheasant Haven Estates's 353 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
53
Total Violations
353
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
22
County
Flathead
School/Daycare
No
MCL Violations
0
Monitoring Violations
351
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Endrin MR 12 2018
Picloram MR 12 2018
Hexachlorocyclopentadiene MR 12 2018
Atrazine MR 12 2018
Heptachlor epoxide MR 12 2018
2,4,5-TP MR 12 2018
BHC-GAMMA MR 12 2018
HEXACHLOROBENZENE MR 12 2018
Benzo(a)pyrene MR 12 2018
Chlordane MR 12 2018
Di(2-ethylhexyl) adipate MR 12 2018
OXAMYL MR 12 2018
Simazine MR 12 2018
Di(2-ethylhexyl) phthalate MR 12 2018
Carbofuran MR 12 2018
LASSO MR 12 2018
Pentachlorophenol MR 12 2018
Dinoseb MR 12 2018
Heptachlor MR 12 2018
2,4-D MR 12 2018
Methoxychlor MR 12 2018
Toxaphene MR 12 2018
Dalapon MR 12 2018
Combined Radium (-226 and -228) MR 6 2017
Gross Alpha, Excl. Radon and U MR 6 2017
DICHLOROMETHANE MR 3 2019
1,1-Dichloroethylene MR 3 2019
Carbon tetrachloride MR 3 2019
1,1,2-Trichloroethane MR 3 2019
Toluene MR 3 2019

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 Pheasant Haven Estates.

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 MT0004545 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
2022 Consumer Confidence Rule Other 2 SDWIS / MT0004545 / 7000
2019 DICHLOROMETHANE MR 3 SDWIS / MT0004545 / 2964
2019 1,1-Dichloroethylene MR 3 SDWIS / MT0004545 / 2977
2019 Carbon tetrachloride MR 3 SDWIS / MT0004545 / 2982
2019 1,1,2-Trichloroethane MR 3 SDWIS / MT0004545 / 2985
2019 Toluene MR 3 SDWIS / MT0004545 / 2991
2019 Styrene MR 3 SDWIS / MT0004545 / 2996
2019 1,2,4-Trichlorobenzene MR 3 SDWIS / MT0004545 / 2378
2019 trans-1,2-Dichloroethylene MR 3 SDWIS / MT0004545 / 2979
2019 CHLOROBENZENE MR 3 SDWIS / MT0004545 / 2989
2019 p-Dichlorobenzene MR 3 SDWIS / MT0004545 / 2969
2019 Trichloroethylene MR 3 SDWIS / MT0004545 / 2984
2019 1,1,1-Trichloroethane MR 3 SDWIS / MT0004545 / 2981
2019 Ethylbenzene MR 3 SDWIS / MT0004545 / 2992
2019 Tetrachloroethylene MR 3 SDWIS / MT0004545 / 2987

How Pheasant Haven Estates Compares

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

Metric Pheasant Haven Estates Montana avg Federal benchmark
Total violations 353 131.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 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 53 492 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 Pheasant Haven Estates water safe to drink? ▼
Pheasant Haven Estates (PWS ID: MT0004545) has 353 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 53 people using Groundwater sources.
How many people does Pheasant Haven Estates serve? ▼
Pheasant Haven Estates serves 53 people in Kalispell, Montana. It is a Private-owned system using Groundwater water sources with 22 service connections.
What type of violations does Pheasant Haven Estates have? ▼
Pheasant Haven Estates has 353 total violations: 0 health-based violations (MCL exceedances or treatment failures), 351 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Pheasant Haven Estates water? ▼
No PFAS testing data is available for Pheasant Haven Estates under the EPA's UCMR5 monitoring program.
What water source does Pheasant Haven Estates use? ▼
Pheasant Haven Estates 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.