PlainWater

OREGON TRAIL SD - KELSO ELEM

PWS ID: OR4193720 · SANDY, Oregon 97055

OREGON TRAIL SD - KELSO ELEM serves 450 people in SANDY, Oregon using Groundwater water sources. It has 29 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: OREGON TRAIL SD - KELSO ELEM

OREGON TRAIL SD - KELSO ELEM is a local-owned non-transient non-community water system that delivers drinking water to 450 residents in SANDY, Oregon (Clackamas County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 29 total violations for this system , of which 4 (14%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 21 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 Lead and Copper Rule, recorded in 13 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. OREGON TRAIL SD - KELSO ELEM's 29 violations sit below 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
450
Total Violations
29
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
Clackamas
School/Daycare
Yes
MCL Violations
4
Monitoring Violations
21
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 13 2011
Coliform (TCR) MR 6 2010
Coliform (TCR) MCL 4 2015
Nitrate MR 1 1993
Public Notice Other 1 2015
Revised Total Coliform Rule MON 1 2022

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 OREGON TRAIL SD - KELSO ELEM.

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 OR4193720 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 1 SDWIS / OR4193720 / 8000
2015 Coliform (TCR) MCL 4 SDWIS / OR4193720 / 3100
2015 Public Notice Other 1 SDWIS / OR4193720 / 7500
2011 Lead and Copper Rule MR 13 SDWIS / OR4193720 / 5000
2010 Coliform (TCR) MR 6 SDWIS / OR4193720 / 3100
1993 Nitrate MR 1 SDWIS / OR4193720 / 1040

How OREGON TRAIL SD - KELSO ELEM Compares

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

Metric OREGON TRAIL SD - KELSO ELEM Oregon avg Federal benchmark
Total violations 29 82.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 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 450 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 OREGON TRAIL SD - KELSO ELEM water safe to drink?
OREGON TRAIL SD - KELSO ELEM (PWS ID: OR4193720) has 29 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 450 people using Groundwater sources.
How many people does OREGON TRAIL SD - KELSO ELEM serve?
OREGON TRAIL SD - KELSO ELEM serves 450 people in SANDY, Oregon. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does OREGON TRAIL SD - KELSO ELEM have?
OREGON TRAIL SD - KELSO ELEM has 29 total violations: 4 health-based violations (MCL exceedances or treatment failures), 21 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in OREGON TRAIL SD - KELSO ELEM water?
No PFAS testing data is available for OREGON TRAIL SD - KELSO ELEM under the EPA's UCMR5 monitoring program.
What water source does OREGON TRAIL SD - KELSO ELEM use?
OREGON TRAIL SD - KELSO ELEM 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