PlainWater

Community Water System · PWS OR4101150

Forest Haven Subdivision

Molalla, Oregon 97038 - drinking water served from groundwater sources to 165 people, tracked in EPA SDWIS and UCMR5.

165
People served
129
EPA violations
14
Health-based
Untested
UCMR5 result

The verdict

EPA records 129 drinking-water violations at Forest Haven Subdivision, 11% of them health-based - above the Oregon per-system average.

129
Total EPA violations on record
11%
Health-based (MCL / treatment failure)
165
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Forest Haven Subdivision

Forest Haven Subdivision is a private-owned community water system that delivers drinking water to 165 residents in Molalla, Oregon (Clackamas County) through 80 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 129 total violations for this system , of which 14 (11%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 108 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 27 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%).

Forest Haven Subdivision's 129 violations sit above 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
165
Total Violations
129
Health-Based Violations
14
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
80
County
Clackamas
School/Daycare
No
MCL Violations
14
Monitoring Violations
108
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 27 2009
Coliform (TCR) MCL 14 2006
Total Haloacetic Acids (HAA5) MR 7 2014
TTHM MR 7 2014
COLIPHAGE MR 7 2025
Revised Total Coliform Rule MON 4 2024
Lead and Copper Rule MR 3 1994
Nitrate MR 1 2001
cis-1,2-Dichloroethylene MR 1 2020
Xylenes, Total MR 1 2020
DICHLOROMETHANE MR 1 2020
Vinyl chloride MR 1 2020
1,1-Dichloroethylene MR 1 2020
trans-1,2-Dichloroethylene MR 1 2020
1,2-Dichloroethane MR 1 2020
1,1,1-Trichloroethane MR 1 2020
Carbon tetrachloride MR 1 2020
Trichloroethylene MR 1 2020
CHLOROBENZENE MR 1 2020
Toluene MR 1 2020
Styrene MR 1 2020
BHC-GAMMA MR 1 2020
Methoxychlor MR 1 2020
Toxaphene MR 1 2020
Diquat MR 1 2020
Glyphosate MR 1 2020
Picloram MR 1 2020
Carbofuran MR 1 2020
LASSO MR 1 2020
Heptachlor epoxide MR 1 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 Forest Haven Subdivision.

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 OR4101150 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 COLIPHAGE MR 7 SDWIS / OR4101150 / 3028
2024 Revised Total Coliform Rule MON 4 SDWIS / OR4101150 / 8000
2020 cis-1,2-Dichloroethylene MR 1 SDWIS / OR4101150 / 2380
2020 Xylenes, Total MR 1 SDWIS / OR4101150 / 2955
2020 DICHLOROMETHANE MR 1 SDWIS / OR4101150 / 2964
2020 Vinyl chloride MR 1 SDWIS / OR4101150 / 2976
2020 1,1-Dichloroethylene MR 1 SDWIS / OR4101150 / 2977
2020 trans-1,2-Dichloroethylene MR 1 SDWIS / OR4101150 / 2979
2020 1,2-Dichloroethane MR 1 SDWIS / OR4101150 / 2980
2020 1,1,1-Trichloroethane MR 1 SDWIS / OR4101150 / 2981
2020 Carbon tetrachloride MR 1 SDWIS / OR4101150 / 2982
2020 Trichloroethylene MR 1 SDWIS / OR4101150 / 2984
2020 CHLOROBENZENE MR 1 SDWIS / OR4101150 / 2989
2020 Toluene MR 1 SDWIS / OR4101150 / 2991
2020 Styrene MR 1 SDWIS / OR4101150 / 2996

How Forest Haven Subdivision Compares

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

Metric Forest Haven Subdivision Oregon avg Federal benchmark
Total violations 129 82.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 14 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 165 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 Forest Haven Subdivision water safe to drink?
Forest Haven Subdivision (PWS ID: OR4101150) has 129 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 165 people using Groundwater sources.
How many people does Forest Haven Subdivision serve?
Forest Haven Subdivision serves 165 people in Molalla, Oregon. It is a Private-owned system using Groundwater water sources with 80 service connections.
What type of violations does Forest Haven Subdivision have?
Forest Haven Subdivision has 129 total violations: 14 health-based violations (MCL exceedances or treatment failures), 108 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Forest Haven Subdivision water?
No PFAS testing data is available for Forest Haven Subdivision under the EPA's UCMR5 monitoring program.
What water source does Forest Haven Subdivision use?
Forest Haven Subdivision 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.
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.