PlainWater

UNION PACIFIC RR-HINKLE YARD

PWS ID: OR4193426 · SALT LAKE CITY, Oregon 84119

UNION PACIFIC RR-HINKLE YARD serves 180 people in SALT LAKE CITY, Oregon using Groundwater water sources. It has 227 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: UNION PACIFIC RR-HINKLE YARD

UNION PACIFIC RR-HINKLE YARD is a private-owned non-transient non-community water system that delivers drinking water to 180 residents in SALT LAKE CITY, Oregon (Umatilla County) through 10 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 227 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 221 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 17 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. UNION PACIFIC RR-HINKLE YARD's 227 violations sit above the Oregon average. Statewide, 30 of 125 UCMR5-tested systems have reported PFAS detections (24%). 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
180
Total Violations
227
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
10
County
Umatilla
School/Daycare
No
MCL Violations
0
Monitoring Violations
221
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 17 2014
Lead and Copper Rule MR 12 2014
Nitrate MR 7 2020
COLIPHAGE MR 7 2020
Total Haloacetic Acids (HAA5) MR 5 2018
TTHM MR 5 2018
Dinoseb MR 3 2011
Diquat MR 3 2011
Endothall MR 3 2011
Endrin MR 3 2011
Glyphosate MR 3 2011
Methoxychlor MR 3 2011
Di(2-ethylhexyl) phthalate MR 3 2011
Picloram MR 3 2011
Toxaphene MR 3 2011
1,1-Dichloroethylene MR 3 2011
1,1,1-Trichloroethane MR 3 2011
1,1,2-Trichloroethane MR 3 2011
1,2-Dichloropropane MR 3 2011
1,2,4-Trichlorobenzene MR 3 2011
Benzene MR 3 2011
Carbon tetrachloride MR 3 2011
DICHLOROMETHANE MR 3 2011
o-Dichlorobenzene MR 3 2011
p-Dichlorobenzene MR 3 2011
Styrene MR 3 2011
Toluene MR 3 2011
trans-1,2-Dichloroethylene MR 3 2011
Trichloroethylene MR 3 2011
Vinyl chloride MR 3 2011

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 UNION PACIFIC RR-HINKLE YARD.

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 OR4193426 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
2022 Revised Total Coliform Rule MON 3 SDWIS / OR4193426 / 8000
2020 Nitrate MR 7 SDWIS / OR4193426 / 1040
2020 COLIPHAGE MR 7 SDWIS / OR4193426 / 3028
2018 Total Haloacetic Acids (HAA5) MR 5 SDWIS / OR4193426 / 2456
2018 TTHM MR 5 SDWIS / OR4193426 / 2950
2014 Coliform (TCR) MR 17 SDWIS / OR4193426 / 3100
2014 Lead and Copper Rule MR 12 SDWIS / OR4193426 / 5000
2011 Dinoseb MR 3 SDWIS / OR4193426 / 2041
2011 Diquat MR 3 SDWIS / OR4193426 / 2032
2011 Endothall MR 3 SDWIS / OR4193426 / 2033
2011 Endrin MR 3 SDWIS / OR4193426 / 2005
2011 Glyphosate MR 3 SDWIS / OR4193426 / 2034
2011 Methoxychlor MR 3 SDWIS / OR4193426 / 2015
2011 Di(2-ethylhexyl) phthalate MR 3 SDWIS / OR4193426 / 2039
2011 Picloram MR 3 SDWIS / OR4193426 / 2040

How UNION PACIFIC RR-HINKLE YARD Compares

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

Metric UNION PACIFIC RR-HINKLE YARD Oregon avg Federal benchmark
Total violations 227 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 180 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is UNION PACIFIC RR-HINKLE YARD water safe to drink?
UNION PACIFIC RR-HINKLE YARD (PWS ID: OR4193426) has 227 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 180 people using Groundwater sources.
How many people does UNION PACIFIC RR-HINKLE YARD serve?
UNION PACIFIC RR-HINKLE YARD serves 180 people in SALT LAKE CITY, Oregon. It is a Private-owned system using Groundwater water sources with 10 service connections.
What type of violations does UNION PACIFIC RR-HINKLE YARD have?
UNION PACIFIC RR-HINKLE YARD has 227 total violations: 0 health-based violations (MCL exceedances or treatment failures), 221 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in UNION PACIFIC RR-HINKLE YARD water?
No PFAS testing data is available for UNION PACIFIC RR-HINKLE YARD under the EPA's UCMR5 monitoring program.
What water source does UNION PACIFIC RR-HINKLE YARD use?
UNION PACIFIC RR-HINKLE YARD uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.

Explore PlainWater

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