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SOURDOUGH POINT

PWS ID: ID1090129 · SANDPOINT, Idaho 83864

SOURDOUGH POINT serves 178 people in SANDPOINT, Idaho using Surface Water water sources. It has 74 recorded EPA violations, including 8 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: SOURDOUGH POINT

SOURDOUGH POINT is a private-owned community water system that delivers drinking water to 178 residents in SANDPOINT, Idaho (Bonner County) through 78 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 74 total violations for this system , of which 8 (11%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 58 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 Coliform (TCR), recorded in 8 violations (MCL, health-based). 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. SOURDOUGH POINT's 74 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
178
Total Violations
74
Health-Based Violations
8
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
78
County
Bonner
School/Daycare
No
MCL Violations
8
Monitoring Violations
58
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 8 2005
Coliform (TCR) MR 4 1997
LEAD AND COPPER RULE REVISIONS RPT 3 2025
Nitrate MR 2 1996
BHC-GAMMA MR 2 1993
2,4-D MR 2 1993
2,4,5-TP MR 2 1993
Barium MR 2 1993
Chromium MR 2 1993
Fluoride MR 2 1993
Toxaphene MR 2 1993
Cadmium MR 2 1993
Mercury MR 2 1993
Selenium MR 2 1993
Methoxychlor MR 2 1993
ETHYLENE DIBROMIDE MR 1 1993
1,2-DIBROMO-3-CHLOROPROPANE MR 1 1993
LASSO MR 1 1993
Atrazine MR 1 1993
Heptachlor epoxide MR 1 1993
Benzene MR 1 1993
1,1-Dichloroethylene MR 1 1993
cis-1,2-Dichloroethylene MR 1 1993
1,2-Dichloropropane MR 1 1993
o-Dichlorobenzene MR 1 1993
p-Dichlorobenzene MR 1 1993
CHLOROBENZENE MR 1 1993
Styrene MR 1 1993
Tetrachloroethylene MR 1 1993
Xylenes, Total 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 SOURDOUGH POINT.

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 ID1090129 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
2025 LEAD AND COPPER RULE REVISIONS RPT 3 SDWIS / ID1090129 / 5200
2005 Coliform (TCR) MCL 8 SDWIS / ID1090129 / 3100
1997 Coliform (TCR) MR 4 SDWIS / ID1090129 / 3100
1996 Nitrate MR 2 SDWIS / ID1090129 / 1040
1993 BHC-GAMMA MR 2 SDWIS / ID1090129 / 2010
1993 2,4-D MR 2 SDWIS / ID1090129 / 2105
1993 2,4,5-TP MR 2 SDWIS / ID1090129 / 2110
1993 Barium MR 2 SDWIS / ID1090129 / 1010
1993 Chromium MR 2 SDWIS / ID1090129 / 1020
1993 Fluoride MR 2 SDWIS / ID1090129 / 1025
1993 Toxaphene MR 2 SDWIS / ID1090129 / 2020
1993 Cadmium MR 2 SDWIS / ID1090129 / 1015
1993 Mercury MR 2 SDWIS / ID1090129 / 1035
1993 Selenium MR 2 SDWIS / ID1090129 / 1045
1993 Methoxychlor MR 2 SDWIS / ID1090129 / 2015

How SOURDOUGH POINT Compares

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

Metric SOURDOUGH POINT Idaho avg Federal benchmark
Total violations 74 52.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 8 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 178 870 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 SOURDOUGH POINT water safe to drink? ▼
SOURDOUGH POINT (PWS ID: ID1090129) has 74 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 178 people using Surface Water sources.
How many people does SOURDOUGH POINT serve? ▼
SOURDOUGH POINT serves 178 people in SANDPOINT, Idaho. It is a Private-owned system using Surface Water water sources with 78 service connections.
What type of violations does SOURDOUGH POINT have? ▼
SOURDOUGH POINT has 74 total violations: 8 health-based violations (MCL exceedances or treatment failures), 58 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SOURDOUGH POINT water? ▼
No PFAS testing data is available for SOURDOUGH POINT under the EPA's UCMR5 monitoring program.
What water source does SOURDOUGH POINT use? ▼
SOURDOUGH POINT uses Surface Water 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.

Read our methodology — how this data is sourced, computed, and verified.

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