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SILVERTON MOBILE ESTATES

PWS ID: OR4100825 · SILVERTON, Oregon 97381

SILVERTON MOBILE ESTATES serves 45 people in SILVERTON, Oregon using Groundwater water sources. It has 173 recorded EPA violations, including 23 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: SILVERTON MOBILE ESTATES

SILVERTON MOBILE ESTATES is a private-owned community water system that delivers drinking water to 45 residents in SILVERTON, Oregon (Marion County) through 30 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 173 total violations for this system , of which 23 (13%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 138 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 29 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. SILVERTON MOBILE ESTATES's 173 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
45
Total Violations
173
Health-Based Violations
23
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
30
County
Marion
School/Daycare
No
MCL Violations
23
Monitoring Violations
138
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 29 2007
Coliform (TCR) MCL 23 2015
Consumer Confidence Rule Other 8 2025
1,2,4-Trichlorobenzene MR 2 2014
Xylenes, Total MR 2 2014
DICHLOROMETHANE MR 2 2014
o-Dichlorobenzene MR 2 2014
Vinyl chloride MR 2 2014
1,1-Dichloroethylene MR 2 2014
1,2-Dichloropropane MR 2 2014
1,1,2-Trichloroethane MR 2 2014
Tetrachloroethylene MR 2 2014
CHLOROBENZENE MR 2 2014
Benzene MR 2 2014
Toluene MR 2 2014
Ethylbenzene MR 2 2014
BHC-GAMMA MR 2 2014
Toxaphene MR 2 2014
Dalapon MR 2 2014
Endothall MR 2 2014
Di(2-ethylhexyl) adipate MR 2 2014
OXAMYL MR 2 2014
Simazine MR 2 2014
Di(2-ethylhexyl) phthalate MR 2 2014
Carbofuran MR 2 2014
LASSO MR 2 2014
Heptachlor MR 2 2014
2,4-D MR 2 2014
Benzo(a)pyrene MR 2 2014
Pentachlorophenol MR 2 2014

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 SILVERTON MOBILE ESTATES.

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 OR4100825 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
2025 Consumer Confidence Rule Other 8 SDWIS / OR4100825 / 7000
2021 TTHM MR 1 SDWIS / OR4100825 / 2950
2021 Total Haloacetic Acids (HAA5) MR 1 SDWIS / OR4100825 / 2456
2016 Nitrate MR 1 SDWIS / OR4100825 / 1040
2015 Coliform (TCR) MCL 23 SDWIS / OR4100825 / 3100
2015 E. COLI MR 1 SDWIS / OR4100825 / 3014
2014 1,2,4-Trichlorobenzene MR 2 SDWIS / OR4100825 / 2378
2014 Xylenes, Total MR 2 SDWIS / OR4100825 / 2955
2014 DICHLOROMETHANE MR 2 SDWIS / OR4100825 / 2964
2014 o-Dichlorobenzene MR 2 SDWIS / OR4100825 / 2968
2014 Vinyl chloride MR 2 SDWIS / OR4100825 / 2976
2014 1,1-Dichloroethylene MR 2 SDWIS / OR4100825 / 2977
2014 1,2-Dichloropropane MR 2 SDWIS / OR4100825 / 2983
2014 1,1,2-Trichloroethane MR 2 SDWIS / OR4100825 / 2985
2014 Tetrachloroethylene MR 2 SDWIS / OR4100825 / 2987

How SILVERTON MOBILE ESTATES Compares

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

Metric SILVERTON MOBILE ESTATES Oregon avg Federal benchmark
Total violations 173 82.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 23 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 45 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 SILVERTON MOBILE ESTATES water safe to drink? ▼
SILVERTON MOBILE ESTATES (PWS ID: OR4100825) has 173 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 45 people using Groundwater sources.
How many people does SILVERTON MOBILE ESTATES serve? ▼
SILVERTON MOBILE ESTATES serves 45 people in SILVERTON, Oregon. It is a Private-owned system using Groundwater water sources with 30 service connections.
What type of violations does SILVERTON MOBILE ESTATES have? ▼
SILVERTON MOBILE ESTATES has 173 total violations: 23 health-based violations (MCL exceedances or treatment failures), 138 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SILVERTON MOBILE ESTATES water? ▼
No PFAS testing data is available for SILVERTON MOBILE ESTATES under the EPA's UCMR5 monitoring program.
What water source does SILVERTON MOBILE ESTATES use? ▼
SILVERTON MOBILE ESTATES 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.

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

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