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RIVERSIDE ELEMENTARY SCHOOL

PWS ID: WI7370299 · WESTON, Wisconsin 54476-3908

RIVERSIDE ELEMENTARY SCHOOL serves 590 people in WESTON, Wisconsin using Groundwater water sources. It has 106 recorded EPA violations, including 52 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: RIVERSIDE ELEMENTARY SCHOOL

RIVERSIDE ELEMENTARY SCHOOL is a local-owned non-transient non-community water system that delivers drinking water to 590 residents in WESTON, Wisconsin (Marathon County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 106 total violations for this system , of which 52 (49%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 40 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 31 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Wisconsin, EPA tracks 10,988 public water systems serving 5,131,439 people, with 285,161 cumulative violations and 58,688 health-based violations on record. About 72% of systems in the state carry at least one violation, and state-wide the average per system is 26 violations. RIVERSIDE ELEMENTARY SCHOOL's 106 violations sit above the Wisconsin average. Statewide, 78 of 202 UCMR5-tested systems have reported PFAS detections (38.6%). 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
590
Total Violations
106
Health-Based Violations
52
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
Marathon
School/Daycare
Yes
MCL Violations
31
Monitoring Violations
40
Treatment Tech Violations
21

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 31 2014
Lead and Copper Rule TT 21 2014
Lead and Copper Rule MR 20 2023
Public Notice Other 14 2008
Coliform (TCR) MR 12 2012
Nitrate MR 4 2012
Revised Total Coliform Rule MON 4 2018

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 RIVERSIDE ELEMENTARY 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 WI7370299 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Wisconsin Drinking Water Authority

Wisconsin DNR — Drinking Water and Groundwater is the primacy agency that licenses and inspects RIVERSIDE ELEMENTARY SCHOOL under EPA-delegated authority.

Open WI regulator portal

Source: Wisconsin DNR — Drinking Water and Groundwater

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
2023 Lead and Copper Rule MR 20 SDWIS / WI7370299 / 5000
2018 Revised Total Coliform Rule MON 4 SDWIS / WI7370299 / 8000
2014 Coliform (TCR) MCL 31 SDWIS / WI7370299 / 3100
2014 Lead and Copper Rule TT 21 SDWIS / WI7370299 / 5000
2012 Coliform (TCR) MR 12 SDWIS / WI7370299 / 3100
2012 Nitrate MR 4 SDWIS / WI7370299 / 1040
2008 Public Notice Other 14 SDWIS / WI7370299 / 7500

How RIVERSIDE ELEMENTARY SCHOOL Compares

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

Metric RIVERSIDE ELEMENTARY SCHOOL Wisconsin avg Federal benchmark
Total violations 106 26 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 52 5.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 38.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 590 467 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 10,988 regulated public water systems in Wisconsin.

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 RIVERSIDE ELEMENTARY SCHOOL water safe to drink?
RIVERSIDE ELEMENTARY SCHOOL (PWS ID: WI7370299) has 106 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 590 people using Groundwater sources.
How many people does RIVERSIDE ELEMENTARY SCHOOL serve?
RIVERSIDE ELEMENTARY SCHOOL serves 590 people in WESTON, Wisconsin. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does RIVERSIDE ELEMENTARY SCHOOL have?
RIVERSIDE ELEMENTARY SCHOOL has 106 total violations: 52 health-based violations (MCL exceedances or treatment failures), 40 monitoring/reporting violations, and 21 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in RIVERSIDE ELEMENTARY SCHOOL water?
No PFAS testing data is available for RIVERSIDE ELEMENTARY SCHOOL under the EPA's UCMR5 monitoring program.
What water source does RIVERSIDE ELEMENTARY SCHOOL use?
RIVERSIDE ELEMENTARY 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.

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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