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PERRYDALE DOMESTIC WTR ASSN

PWS ID: OR4101149 · AMITY, Oregon 97101

PERRYDALE DOMESTIC WTR ASSN serves 2,655 people in AMITY, Oregon using Groundwater water sources. It has 277 recorded EPA violations, including 12 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: PERRYDALE DOMESTIC WTR ASSN

PERRYDALE DOMESTIC WTR ASSN is a private-owned community water system that delivers drinking water to 2,655 residents in AMITY, Oregon (Polk County) through 885 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 277 total violations for this system , of which 12 (4%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 262 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 25 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. PERRYDALE DOMESTIC WTR ASSN's 277 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
2,655
Total Violations
277
Health-Based Violations
12
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
885
County
Polk
School/Daycare
No
MCL Violations
12
Monitoring Violations
262
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 25 2009
Nitrate MR 13 2006
Coliform (TCR) MCL 12 2009
1,2,4-Trichlorobenzene MR 4 2005
DICHLOROMETHANE MR 4 2005
p-Dichlorobenzene MR 4 2005
1,2-Dichloroethane MR 4 2005
Carbon tetrachloride MR 4 2005
Tetrachloroethylene MR 4 2005
Benzene MR 4 2005
Toluene MR 4 2005
Ethylbenzene MR 4 2005
Endrin MR 4 2005
BHC-GAMMA MR 4 2005
Toxaphene MR 4 2005
Diquat MR 4 2005
Endothall MR 4 2005
Di(2-ethylhexyl) adipate MR 4 2005
OXAMYL MR 4 2005
Simazine MR 4 2005
Picloram MR 4 2005
Dinoseb MR 4 2005
Hexachlorocyclopentadiene MR 4 2005
Carbofuran MR 4 2005
Heptachlor MR 4 2005
HEXACHLOROBENZENE MR 4 2005
Benzo(a)pyrene MR 4 2005
Pentachlorophenol MR 4 2005
Chlordane MR 4 2005
Methoxychlor MR 4 2005

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 PERRYDALE DOMESTIC WTR ASSN.

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 OR4101149 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 1 SDWIS / OR4101149 / 7000
2012 Arsenic MR 3 SDWIS / OR4101149 / 1005
2011 E. COLI MR 4 SDWIS / OR4101149 / 3014
2009 Coliform (TCR) MR 25 SDWIS / OR4101149 / 3100
2009 Coliform (TCR) MCL 12 SDWIS / OR4101149 / 3100
2006 Nitrate MR 13 SDWIS / OR4101149 / 1040
2005 1,2,4-Trichlorobenzene MR 4 SDWIS / OR4101149 / 2378
2005 DICHLOROMETHANE MR 4 SDWIS / OR4101149 / 2964
2005 p-Dichlorobenzene MR 4 SDWIS / OR4101149 / 2969
2005 1,2-Dichloroethane MR 4 SDWIS / OR4101149 / 2980
2005 Carbon tetrachloride MR 4 SDWIS / OR4101149 / 2982
2005 Tetrachloroethylene MR 4 SDWIS / OR4101149 / 2987
2005 Benzene MR 4 SDWIS / OR4101149 / 2990
2005 Toluene MR 4 SDWIS / OR4101149 / 2991
2005 Ethylbenzene MR 4 SDWIS / OR4101149 / 2992

How PERRYDALE DOMESTIC WTR ASSN Compares

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

Metric PERRYDALE DOMESTIC WTR ASSN Oregon avg Federal benchmark
Total violations 277 82.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 12 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 2,655 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 PERRYDALE DOMESTIC WTR ASSN water safe to drink? ▼
PERRYDALE DOMESTIC WTR ASSN (PWS ID: OR4101149) has 277 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,655 people using Groundwater sources.
How many people does PERRYDALE DOMESTIC WTR ASSN serve? ▼
PERRYDALE DOMESTIC WTR ASSN serves 2,655 people in AMITY, Oregon. It is a Private-owned system using Groundwater water sources with 885 service connections.
What type of violations does PERRYDALE DOMESTIC WTR ASSN have? ▼
PERRYDALE DOMESTIC WTR ASSN has 277 total violations: 12 health-based violations (MCL exceedances or treatment failures), 262 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in PERRYDALE DOMESTIC WTR ASSN water? ▼
No PFAS testing data is available for PERRYDALE DOMESTIC WTR ASSN under the EPA's UCMR5 monitoring program.
What water source does PERRYDALE DOMESTIC WTR ASSN use? ▼
PERRYDALE DOMESTIC WTR ASSN 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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