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Community Water System · PWS ID7100023

Taylor Mountain Water and Sewer District

Idaho Falls, Idaho 83401 - drinking water served from groundwater sources to 600 people, tracked in EPA SDWIS and UCMR5.

600
People served
109
EPA violations
14
Health-based
Untested
UCMR5 result

The verdict

EPA records 109 drinking-water violations at Taylor Mountain Water and Sewer District, 13% of them health-based - above the Idaho per-system average.

109
Total EPA violations on record
13%
Health-based (MCL / treatment failure)
600
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Taylor Mountain Water and Sewer District

Taylor Mountain Water and Sewer District is a private-owned community water system that delivers drinking water to 600 residents in Idaho Falls, Idaho (Bonneville County) through 182 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 109 total violations for this system , of which 14 (13%) 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 2022.

The most frequently cited contaminant at this system is Nitrate, 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 Idaho, EPA tracks 2,005 public water systems serving 1,743,912 people, with 104,850 cumulative violations and 19,965 health-based violations on record. About 96% of systems in the state carry at least one violation, and state-wide the average per system is 52.3 violations. Statewide, 40 of 60 UCMR5-tested systems have reported PFAS detections (66.7%).

Taylor Mountain Water and Sewer District's 109 violations sit above the Idaho 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
600
Total Violations
109
Health-Based Violations
14
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
182
County
Bonneville
School/Daycare
No
MCL Violations
10
Monitoring Violations
91
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 12 2022
Coliform (TCR) MR 11 2014
Coliform (TCR) MCL 10 2015
Groundwater Rule TT 4 2016
Gross Alpha, Excl. Radon and U MR 4 2017
Carbon tetrachloride MR 2 2011
cis-1,2-Dichloroethylene MR 2 2011
trans-1,2-Dichloroethylene MR 2 2011
1,2-Dichloropropane MR 2 2011
Ethylbenzene MR 2 2011
Tetrachloroethylene MR 2 2011
Toluene MR 2 2011
1,2-Dichloroethane MR 2 2011
Trichloroethylene MR 2 2011
Benzene MR 2 2011
1,1,1-Trichloroethane MR 2 2011
1,1-Dichloroethylene MR 2 2011
o-Dichlorobenzene MR 2 2011
Atrazine MR 2 2011
Styrene MR 2 2011
CHLOROBENZENE MR 2 2011
Xylenes, Total MR 2 2011
p-Dichlorobenzene MR 2 2011
ETHYLENE DIBROMIDE MR 1 1993
Chlordane MR 1 1993
BHC-GAMMA MR 1 1993
Methoxychlor MR 1 1993
Toxaphene MR 1 1993
Total Polychlorinated Biphenyls (PCB) MR 1 1993
2,4,5-TP MR 1 1993

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 Taylor Mountain Water and Sewer District.

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 ID7100023 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Idaho Drinking Water Authority

Idaho'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 ID 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 Nitrate MR 12 SDWIS / ID7100023 / 1040
2017 Gross Alpha, Excl. Radon and U MR 4 SDWIS / ID7100023 / 4000
2016 Groundwater Rule TT 4 SDWIS / ID7100023 / 0700
2015 Coliform (TCR) MCL 10 SDWIS / ID7100023 / 3100
2014 Coliform (TCR) MR 11 SDWIS / ID7100023 / 3100
2011 Carbon tetrachloride MR 2 SDWIS / ID7100023 / 2982
2011 cis-1,2-Dichloroethylene MR 2 SDWIS / ID7100023 / 2380
2011 trans-1,2-Dichloroethylene MR 2 SDWIS / ID7100023 / 2979
2011 1,2-Dichloropropane MR 2 SDWIS / ID7100023 / 2983
2011 Ethylbenzene MR 2 SDWIS / ID7100023 / 2992
2011 Tetrachloroethylene MR 2 SDWIS / ID7100023 / 2987
2011 Toluene MR 2 SDWIS / ID7100023 / 2991
2011 1,2-Dichloroethane MR 2 SDWIS / ID7100023 / 2980
2011 Trichloroethylene MR 2 SDWIS / ID7100023 / 2984
2011 Benzene MR 2 SDWIS / ID7100023 / 2990

How Taylor Mountain Water and Sewer District Compares

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

Metric Taylor Mountain Water and Sewer District Idaho avg Federal benchmark
Total violations 109 52.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 14 10 Indicates a contaminant exceeded a federal MCL
PFAS detection None 66.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 600 870 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,005 regulated public water systems in Idaho.

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 Taylor Mountain Water and Sewer District water safe to drink? ▼
Taylor Mountain Water and Sewer District (PWS ID: ID7100023) has 109 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 600 people using Groundwater sources.
How many people does Taylor Mountain Water and Sewer District serve? ▼
Taylor Mountain Water and Sewer District serves 600 people in Idaho Falls, Idaho. It is a Private-owned system using Groundwater water sources with 182 service connections.
What type of violations does Taylor Mountain Water and Sewer District have? ▼
Taylor Mountain Water and Sewer District has 109 total violations: 14 health-based violations (MCL exceedances or treatment failures), 91 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Taylor Mountain Water and Sewer District water? ▼
No PFAS testing data is available for Taylor Mountain Water and Sewer District under the EPA's UCMR5 monitoring program.
What water source does Taylor Mountain Water and Sewer District use? ▼
Taylor Mountain Water and Sewer District 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.