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RILEY ELEMENTARY SCHOOL

PWS ID: MI2005919 · ST. JOHNS, Michigan 48879

RILEY ELEMENTARY SCHOOL serves 325 people in ST. JOHNS, Michigan using Groundwater water sources. It has 129 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: RILEY ELEMENTARY SCHOOL

RILEY ELEMENTARY SCHOOL is a private-owned non-transient non-community water system that delivers drinking water to 325 residents in ST. JOHNS, Michigan (Clinton County) through 1 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 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 123 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 Revised Total Coliform Rule, recorded in 40 violations (MON). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Michigan, EPA tracks 10,959 public water systems serving 9,098,093 people, with 255,201 cumulative violations and 31,467 health-based violations on record. About 86% of systems in the state carry at least one violation, and state-wide the average per system is 23.3 violations. RILEY ELEMENTARY SCHOOL's 129 violations sit above the Michigan average. Statewide, 87 of 318 UCMR5-tested systems have reported PFAS detections (27.4%). 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
325
Total Violations
129
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Clinton
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
123
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 40 2025
Coliform (TCR) MR 10 2002
Nitrate MR 9 2024
Lead and Copper Rule MR 8 2016
Barium MR 2 2002
Cadmium MR 2 2002
Chromium MR 2 2002
Mercury MR 2 2002
Antimony, Total MR 2 2002
Beryllium, Total MR 2 2002
Thallium, Total MR 2 2002
Endrin MR 2 2005
BHC-GAMMA MR 2 2005
Methoxychlor MR 2 2005
Toxaphene MR 2 2005
OXAMYL MR 2 2005
Picloram MR 2 2005
Atrazine MR 2 2005
LASSO MR 2 2005
Heptachlor epoxide MR 2 2005
2,4,5-TP MR 2 2005
HEXACHLOROBENZENE MR 2 2005
Total Polychlorinated Biphenyls (PCB) MR 2 2005
Chlordane MR 2 2005
Simazine MR 2 2005
Dinoseb MR 2 2005
Heptachlor MR 2 2005
Selenium MR 2 2002
2,4-D MR 2 2005
Carbofuran MR 2 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 RILEY 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 MI2005919 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Michigan Drinking Water Authority

Michigan EGLE — Drinking Water and Environmental Health Division is the primacy agency that licenses and inspects RILEY ELEMENTARY SCHOOL under EPA-delegated authority.

Open MI regulator portal

Source: Michigan EGLE — Drinking Water and Environmental Health Division

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 40 SDWIS / MI2005919 / 8000
2024 Nitrate MR 9 SDWIS / MI2005919 / 1040
2016 Lead and Copper Rule MR 8 SDWIS / MI2005919 / 5000
2005 Endrin MR 2 SDWIS / MI2005919 / 2005
2005 BHC-GAMMA MR 2 SDWIS / MI2005919 / 2010
2005 Methoxychlor MR 2 SDWIS / MI2005919 / 2015
2005 Toxaphene MR 2 SDWIS / MI2005919 / 2020
2005 OXAMYL MR 2 SDWIS / MI2005919 / 2036
2005 Picloram MR 2 SDWIS / MI2005919 / 2040
2005 Atrazine MR 2 SDWIS / MI2005919 / 2050
2005 LASSO MR 2 SDWIS / MI2005919 / 2051
2005 Heptachlor epoxide MR 2 SDWIS / MI2005919 / 2067
2005 2,4,5-TP MR 2 SDWIS / MI2005919 / 2110
2005 HEXACHLOROBENZENE MR 2 SDWIS / MI2005919 / 2274
2005 Total Polychlorinated Biphenyls (PCB) MR 2 SDWIS / MI2005919 / 2383

How RILEY ELEMENTARY SCHOOL Compares

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

Metric RILEY ELEMENTARY SCHOOL Michigan avg Federal benchmark
Total violations 129 23.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 2.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 27.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 325 830 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 10,959 regulated public water systems in Michigan.

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 RILEY ELEMENTARY SCHOOL water safe to drink? ▼
RILEY ELEMENTARY SCHOOL (PWS ID: MI2005919) has 129 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 325 people using Groundwater sources.
How many people does RILEY ELEMENTARY SCHOOL serve? ▼
RILEY ELEMENTARY SCHOOL serves 325 people in ST. JOHNS, Michigan. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does RILEY ELEMENTARY SCHOOL have? ▼
RILEY ELEMENTARY SCHOOL has 129 total violations: 0 health-based violations (MCL exceedances or treatment failures), 123 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in RILEY ELEMENTARY SCHOOL water? ▼
No PFAS testing data is available for RILEY ELEMENTARY SCHOOL under the EPA's UCMR5 monitoring program.
What water source does RILEY ELEMENTARY SCHOOL use? ▼
RILEY 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.

Read our methodology — how this data is sourced, computed, and verified.

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