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Non-Transient Non-Community Water System · PWS OR4190546

Prospect Charter School

Prospect, Oregon 97536 - drinking water served from groundwater sources to 290 people, tracked in EPA SDWIS and UCMR5.

290
People served
22
EPA violations
1
Health-based
Untested
UCMR5 result

The verdict

EPA records 22 drinking-water violations at Prospect Charter School, 5% of them health-based - below the Oregon per-system average.

22
Total EPA violations on record
5%
Health-based (MCL / treatment failure)
290
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Prospect Charter School

Prospect Charter School is a local-owned non-transient non-community water system that delivers drinking water to 290 residents in Prospect, Oregon (Jackson County) through 14 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 22 total violations for this system , of which 1 (5%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 17 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 9 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%).

Prospect Charter School's 22 violations sit below 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
290
Total Violations
22
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
14
County
Jackson
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
17
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 9 2000
Nitrate MR 3 2021
Revised Total Coliform Rule MON 2 2025
Groundwater Rule MR 2 2014
Lead and Copper Rule MR 1 2015
Public Notice Other 1 2025
LEAD AND COPPER RULE REVISIONS TT 1 2024

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 Prospect Charter School.

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 OR4190546 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 Revised Total Coliform Rule MON 2 SDWIS / OR4190546 / 8000
2025 Public Notice Other 1 SDWIS / OR4190546 / 7500
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / OR4190546 / 5200
2021 Nitrate MR 3 SDWIS / OR4190546 / 1040
2015 Lead and Copper Rule MR 1 SDWIS / OR4190546 / 5000
2014 Groundwater Rule MR 2 SDWIS / OR4190546 / 0700
2000 Coliform (TCR) MR 9 SDWIS / OR4190546 / 3100

How Prospect Charter School Compares

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

Metric Prospect Charter School Oregon avg Federal benchmark
Total violations 22 82.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 1 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 290 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 Prospect Charter School water safe to drink? ▼
Prospect Charter School (PWS ID: OR4190546) has 22 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 290 people using Groundwater sources.
How many people does Prospect Charter School serve? ▼
Prospect Charter School serves 290 people in Prospect, Oregon. It is a Local-owned system using Groundwater water sources with 14 service connections.
What type of violations does Prospect Charter School have? ▼
Prospect Charter School has 22 total violations: 1 health-based violations (MCL exceedances or treatment failures), 17 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Prospect Charter School water? ▼
No PFAS testing data is available for Prospect Charter School under the EPA's UCMR5 monitoring program.
What water source does Prospect Charter School use? ▼
Prospect Charter School 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.
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.

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.