PlainWater
States → Idaho

Community Water System · PWS ID7220072

Teton City Of

Teton, Idaho 83451 - drinking water served from groundwater sources to 735 people, tracked in EPA SDWIS and UCMR5.

735
People served
92
EPA violations
5
Health-based
Untested
UCMR5 result

The verdict

EPA records 92 drinking-water violations at Teton City Of, 5% of them health-based - above the Idaho per-system average.

92
Total EPA violations on record
5%
Health-based (MCL / treatment failure)
735
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Teton City Of

Teton City Of is a local-owned community water system that delivers drinking water to 735 residents in Teton, Idaho (Fremont County) through 278 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 92 total violations for this system , of which 5 (5%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 83 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 8 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%).

Teton City Of's 92 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
735
Total Violations
92
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
278
County
Fremont
School/Daycare
No
MCL Violations
5
Monitoring Violations
83
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 8 2006
Revised Total Coliform Rule MON 3 2019
Fluoride MCL 3 1982
1,2,4-Trichlorobenzene MR 2 1996
cis-1,2-Dichloroethylene MR 2 1996
Xylenes, Total MR 2 1996
o-Dichlorobenzene MR 2 1996
trans-1,2-Dichloroethylene MR 2 1996
1,2-Dichloroethane MR 2 1996
Trichloroethylene MR 2 1996
1,1,2-Trichloroethane MR 2 1996
Benzene MR 2 1996
Toluene MR 2 1996
Dalapon MR 2 1996
Picloram MR 2 1996
Dinoseb MR 2 1996
2,4-D MR 2 1996
2,4,5-TP MR 2 1996
Chromium MR 2 1996
Mercury MR 2 1996
Antimony, Total MR 2 1996
Thallium, Total MR 2 1996
Coliform (TCR) MCL 2 1995
Carbon tetrachloride MR 2 1996
Styrene MR 2 1996
1,1-Dichloroethylene MR 2 1996
Barium MR 2 1996
Nickel MR 2 1996
DICHLOROMETHANE MR 2 1996
1,2-Dichloropropane MR 2 1996

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 Teton City Of.

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 ID7220072 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
2019 Revised Total Coliform Rule MON 3 SDWIS / ID7220072 / 8000
2006 Coliform (TCR) MR 8 SDWIS / ID7220072 / 3100
2005 Lead and Copper Rule MR 1 SDWIS / ID7220072 / 5000
2003 Nitrate MR 1 SDWIS / ID7220072 / 1040
1996 1,2,4-Trichlorobenzene MR 2 SDWIS / ID7220072 / 2378
1996 cis-1,2-Dichloroethylene MR 2 SDWIS / ID7220072 / 2380
1996 Xylenes, Total MR 2 SDWIS / ID7220072 / 2955
1996 o-Dichlorobenzene MR 2 SDWIS / ID7220072 / 2968
1996 trans-1,2-Dichloroethylene MR 2 SDWIS / ID7220072 / 2979
1996 1,2-Dichloroethane MR 2 SDWIS / ID7220072 / 2980
1996 Trichloroethylene MR 2 SDWIS / ID7220072 / 2984
1996 1,1,2-Trichloroethane MR 2 SDWIS / ID7220072 / 2985
1996 Benzene MR 2 SDWIS / ID7220072 / 2990
1996 Toluene MR 2 SDWIS / ID7220072 / 2991
1996 Dalapon MR 2 SDWIS / ID7220072 / 2031

How Teton City Of Compares

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

Metric Teton City Of Idaho avg Federal benchmark
Total violations 92 52.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 5 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 735 870 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 Teton City Of water safe to drink? ▼
Teton City Of (PWS ID: ID7220072) has 92 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 735 people using Groundwater sources.
How many people does Teton City Of serve? ▼
Teton City Of serves 735 people in Teton, Idaho. It is a Local-owned system using Groundwater water sources with 278 service connections.
What type of violations does Teton City Of have? ▼
Teton City Of has 92 total violations: 5 health-based violations (MCL exceedances or treatment failures), 83 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Teton City Of water? ▼
No PFAS testing data is available for Teton City Of under the EPA's UCMR5 monitoring program.
What water source does Teton City Of use? ▼
Teton City Of 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.