PlainWater

COMEBACK BAY WATER ASSN

PWS ID: ID1090022 · SAGLE, Idaho 83860

COMEBACK BAY WATER ASSN serves 30 people in SAGLE, Idaho using Groundwater water sources. It has 68 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: COMEBACK BAY WATER ASSN

COMEBACK BAY WATER ASSN is a private-owned community water system that delivers drinking water to 30 residents in SAGLE, Idaho (Bonner County) through 13 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 68 total violations for this system , of which 4 (6%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 57 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Nitrate, recorded in 7 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. COMEBACK BAY WATER ASSN's 68 violations sit above the Idaho average. Statewide, 40 of 60 UCMR5-tested systems have reported PFAS detections (66.7%). 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
30
Total Violations
68
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
13
County
Bonner
School/Daycare
No
MCL Violations
0
Monitoring Violations
57
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 7 2004
Coliform (TCR) MR 7 2001
Groundwater Rule Other 4 2016
LEAD AND COPPER RULE REVISIONS TT 4 2024
LEAD AND COPPER RULE REVISIONS RPT 3 2024
Arsenic MR 2 2002
LASSO MR 1 1993
ETHYLENE DIBROMIDE MR 1 1993
Heptachlor MR 1 1993
Heptachlor epoxide MR 1 1993
Methoxychlor MR 1 1993
Toxaphene MR 1 1993
2,4,5-TP MR 1 1993
trans-1,2-Dichloroethylene MR 1 1993
1,2-Dichloroethane MR 1 1993
o-Dichlorobenzene MR 1 1993
p-Dichlorobenzene MR 1 1993
Ethylbenzene MR 1 1993
CHLOROBENZENE MR 1 1993
Styrene MR 1 1993
Tetrachloroethylene MR 1 1993
1,1,1-Trichloroethane MR 1 1993
Barium MR 1 1993
Cadmium MR 1 1993
Mercury MR 1 1993
Selenium MR 1 1993
Lead and Copper Rule MR 1 1994
Chromium MR 1 1993
1,1-Dichloroethylene MR 1 1993
1,2-DIBROMO-3-CHLOROPROPANE 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 COMEBACK BAY WATER ASSN.

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 ID1090022 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
2024 LEAD AND COPPER RULE REVISIONS TT 4 SDWIS / ID1090022 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 3 SDWIS / ID1090022 / 5200
2016 Groundwater Rule Other 4 SDWIS / ID1090022 / 0700
2004 Nitrate MR 7 SDWIS / ID1090022 / 1040
2002 Arsenic MR 2 SDWIS / ID1090022 / 1005
2001 Coliform (TCR) MR 7 SDWIS / ID1090022 / 3100
1994 Lead and Copper Rule MR 1 SDWIS / ID1090022 / 5000
1993 LASSO MR 1 SDWIS / ID1090022 / 2051
1993 ETHYLENE DIBROMIDE MR 1 SDWIS / ID1090022 / 2946
1993 Heptachlor MR 1 SDWIS / ID1090022 / 2065
1993 Heptachlor epoxide MR 1 SDWIS / ID1090022 / 2067
1993 Methoxychlor MR 1 SDWIS / ID1090022 / 2015
1993 Toxaphene MR 1 SDWIS / ID1090022 / 2020
1993 2,4,5-TP MR 1 SDWIS / ID1090022 / 2110
1993 trans-1,2-Dichloroethylene MR 1 SDWIS / ID1090022 / 2979

How COMEBACK BAY WATER ASSN Compares

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

Metric COMEBACK BAY WATER ASSN Idaho avg Federal benchmark
Total violations 68 52.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 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 30 870 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is COMEBACK BAY WATER ASSN water safe to drink?
COMEBACK BAY WATER ASSN (PWS ID: ID1090022) has 68 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 30 people using Groundwater sources.
How many people does COMEBACK BAY WATER ASSN serve?
COMEBACK BAY WATER ASSN serves 30 people in SAGLE, Idaho. It is a Private-owned system using Groundwater water sources with 13 service connections.
What type of violations does COMEBACK BAY WATER ASSN have?
COMEBACK BAY WATER ASSN has 68 total violations: 4 health-based violations (MCL exceedances or treatment failures), 57 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in COMEBACK BAY WATER ASSN water?
No PFAS testing data is available for COMEBACK BAY WATER ASSN under the EPA's UCMR5 monitoring program.
What water source does COMEBACK BAY WATER ASSN use?
COMEBACK BAY WATER ASSN 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.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial