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States → EPA Region 9 — Tribal Water Systems

Community Water System · PWS 090605060

Howonquet Community(Smith River)

Smith River, EPA Region 9 — Tribal Water Systems 95567-9525 - drinking water served from surface water sources to 220 people, tracked in EPA SDWIS and UCMR5.

220
People served
256
EPA violations
11
Health-based
Untested
UCMR5 result

The verdict

EPA records 256 drinking-water violations at Howonquet Community(Smith River), 4% of them health-based.

256
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
220
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Howonquet Community(Smith River)

Howonquet Community(Smith River) is a native american-owned community water system that delivers drinking water to 220 residents in Smith River, EPA Region 9 — Tribal Water Systems through 54 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 256 total violations for this system , of which 11 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 140 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 Surface Water Treatment Rule, recorded in 42 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

EPA Region 9 — Tribal Water Systems has thousands of regulated public water systems tracked by EPA under the Safe Drinking Water Act.

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
220
Total Violations
256
Health-Based Violations
11
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Native American
Connections
54
School/Daycare
No
MCL Violations
3
Monitoring Violations
140
Treatment Tech Violations
8

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 42 2025
Coliform (TCR) MR 22 2007
Surface Water Treatment Rule TT 8 1999
Nitrate MR 6 2024
Revised Total Coliform Rule MON 5 2024
Coliform (TCR) MCL 3 1998
Chlorine MR 3 2024
Lead and Copper Rule MR 3 2017
Xylenes, Total MR 2 2020
DICHLOROMETHANE MR 2 2020
cis-1,2-Dichloroethylene MR 2 2020
o-Dichlorobenzene MR 2 2020
p-Dichlorobenzene MR 2 2020
Vinyl chloride MR 2 2020
trans-1,2-Dichloroethylene MR 2 2020
1,2-Dichloroethane MR 2 2020
1,1,1-Trichloroethane MR 2 2020
Carbon tetrachloride MR 2 2020
1,2-Dichloropropane MR 2 2020
1,1,2-Trichloroethane MR 2 2020
CHLOROBENZENE MR 2 2020
Benzene MR 2 2020
Ethylbenzene MR 2 2020
Styrene MR 2 2020
Total Haloacetic Acids (HAA5) MR 2 2024
TTHM MR 2 2024
Toluene MR 2 2020
1,1-Dichloroethylene MR 2 2020
Tetrachloroethylene MR 2 2020
Trichloroethylene MR 2 2020

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 Howonquet Community(Smith River).

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 090605060 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

EPA Region 9 — Tribal Water Systems Drinking Water Authority

EPA Region 9 — Tribal Water Systems'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 09 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 Surface Water Treatment Rule MR 42 SDWIS / 090605060 / 0200
2024 Nitrate MR 6 SDWIS / 090605060 / 1040
2024 Revised Total Coliform Rule MON 5 SDWIS / 090605060 / 8000
2024 Chlorine MR 3 SDWIS / 090605060 / 0999
2024 Total Haloacetic Acids (HAA5) MR 2 SDWIS / 090605060 / 2456
2024 TTHM MR 2 SDWIS / 090605060 / 2950
2020 Xylenes, Total MR 2 SDWIS / 090605060 / 2955
2020 DICHLOROMETHANE MR 2 SDWIS / 090605060 / 2964
2020 cis-1,2-Dichloroethylene MR 2 SDWIS / 090605060 / 2380
2020 o-Dichlorobenzene MR 2 SDWIS / 090605060 / 2968
2020 p-Dichlorobenzene MR 2 SDWIS / 090605060 / 2969
2020 Vinyl chloride MR 2 SDWIS / 090605060 / 2976
2020 trans-1,2-Dichloroethylene MR 2 SDWIS / 090605060 / 2979
2020 1,2-Dichloroethane MR 2 SDWIS / 090605060 / 2980
2020 1,1,1-Trichloroethane MR 2 SDWIS / 090605060 / 2981

How Howonquet Community(Smith River) Compares

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

Metric Howonquet Community(Smith River) EPA Region 9 — Tribal Water Systems avg Federal benchmark
Total violations 256 - SDWA compliance, any non-zero count is a recorded breach
Health-based violations 11 - Indicates a contaminant exceeded a federal MCL
PFAS detection None - EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 220 - Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across all regulated public water systems in EPA Region 9 — Tribal Water Systems.

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 Howonquet Community(Smith River) water safe to drink? ▼
Howonquet Community(Smith River) (PWS ID: 090605060) has 256 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 220 people using Surface Water sources.
How many people does Howonquet Community(Smith River) serve? ▼
Howonquet Community(Smith River) serves 220 people in Smith River, EPA Region 9 — Tribal Water Systems. It is a Native American-owned system using Surface Water water sources with 54 service connections.
What type of violations does Howonquet Community(Smith River) have? ▼
Howonquet Community(Smith River) has 256 total violations: 11 health-based violations (MCL exceedances or treatment failures), 140 monitoring/reporting violations, and 8 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Howonquet Community(Smith River) water? ▼
No PFAS testing data is available for Howonquet Community(Smith River) under the EPA's UCMR5 monitoring program.
What water source does Howonquet Community(Smith River) use? ▼
Howonquet Community(Smith River) 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.
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.