PlainWater

Transient Non-Community Water System · PWS OR4195107

Shell Star Mart

Fairview, Oregon 97024 - drinking water served from groundwater sources to 100 people, tracked in EPA SDWIS and UCMR5.

100
People served
50
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 50 drinking-water violations at Shell Star Mart - below the Oregon per-system average.

50
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
100
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Shell Star Mart

Shell Star Mart is a private-owned transient non-community water system that delivers drinking water to 100 residents in Fairview, Oregon (Columbia County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 50 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 50 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 19 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 Oregon, EPA tracks 2,518 public water systems serving 4,005,242 people, with 206,659 cumulative violations and 20,339 health-based violations on record. About 99% of systems in the state carry at least one violation, and state-wide the average per system is 82.1 violations. Statewide, 30 of 125 UCMR5-tested systems have reported PFAS detections (24%).

Shell Star Mart's 50 violations sit below the Oregon 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
100
Total Violations
50
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
1
County
Columbia
School/Daycare
No
MCL Violations
0
Monitoring Violations
50
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 19 2024
Coliform (TCR) MR 8 2010
Revised Total Coliform Rule MON 2 2024
1,2,4-Trichlorobenzene MR 1 2024
Xylenes, Total MR 1 2024
DICHLOROMETHANE MR 1 2024
o-Dichlorobenzene MR 1 2024
p-Dichlorobenzene MR 1 2024
Vinyl chloride MR 1 2024
1,1-Dichloroethylene MR 1 2024
trans-1,2-Dichloroethylene MR 1 2024
1,2-Dichloroethane MR 1 2024
Carbon tetrachloride MR 1 2024
1,1,2-Trichloroethane MR 1 2024
Tetrachloroethylene MR 1 2024
CHLOROBENZENE MR 1 2024
Benzene MR 1 2024
Styrene MR 1 2024
Ethylbenzene MR 1 2024
Trichloroethylene MR 1 2024
1,2-Dichloropropane MR 1 2024
cis-1,2-Dichloroethylene MR 1 2024
Toluene MR 1 2024
1,1,1-Trichloroethane MR 1 2024

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 Shell Star Mart.

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 OR4195107 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Oregon Drinking Water Authority

Oregon'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 OR 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 Nitrate MR 19 SDWIS / OR4195107 / 1040
2024 Revised Total Coliform Rule MON 2 SDWIS / OR4195107 / 8000
2024 1,2,4-Trichlorobenzene MR 1 SDWIS / OR4195107 / 2378
2024 Xylenes, Total MR 1 SDWIS / OR4195107 / 2955
2024 DICHLOROMETHANE MR 1 SDWIS / OR4195107 / 2964
2024 o-Dichlorobenzene MR 1 SDWIS / OR4195107 / 2968
2024 p-Dichlorobenzene MR 1 SDWIS / OR4195107 / 2969
2024 Vinyl chloride MR 1 SDWIS / OR4195107 / 2976
2024 1,1-Dichloroethylene MR 1 SDWIS / OR4195107 / 2977
2024 trans-1,2-Dichloroethylene MR 1 SDWIS / OR4195107 / 2979
2024 1,2-Dichloroethane MR 1 SDWIS / OR4195107 / 2980
2024 Carbon tetrachloride MR 1 SDWIS / OR4195107 / 2982
2024 1,1,2-Trichloroethane MR 1 SDWIS / OR4195107 / 2985
2024 Tetrachloroethylene MR 1 SDWIS / OR4195107 / 2987
2024 CHLOROBENZENE MR 1 SDWIS / OR4195107 / 2989

How Shell Star Mart Compares

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

Metric Shell Star Mart Oregon avg Federal benchmark
Total violations 50 82.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 8.1 Indicates a contaminant exceeded a federal MCL
PFAS detection None 24% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 100 1,591 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,518 regulated public water systems in Oregon.

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 Shell Star Mart water safe to drink?
Shell Star Mart (PWS ID: OR4195107) has 50 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 100 people using Groundwater sources.
How many people does Shell Star Mart serve?
Shell Star Mart serves 100 people in Fairview, Oregon. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Shell Star Mart have?
Shell Star Mart has 50 total violations: 0 health-based violations (MCL exceedances or treatment failures), 50 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Shell Star Mart water?
No PFAS testing data is available for Shell Star Mart under the EPA's UCMR5 monitoring program.
What water source does Shell Star Mart use?
Shell Star Mart uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.
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.