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DIAMOND LAKE COUNTY PARK

PWS ID: MI2024362 · NEWAYGO, Michigan 49337

DIAMOND LAKE COUNTY PARK serves 100 people in NEWAYGO, Michigan using Groundwater water sources. It has 19 recorded EPA violations, including 5 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: DIAMOND LAKE COUNTY PARK

DIAMOND LAKE COUNTY PARK is a private-owned transient non-community water system that delivers drinking water to 100 residents in NEWAYGO, Michigan (Newaygo County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 19 total violations for this system , of which 5 (26%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 14 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 5 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 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. DIAMOND LAKE COUNTY PARK's 19 violations sit below 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
100
Total Violations
19
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
2
County
Newaygo
School/Daycare
No
MCL Violations
5
Monitoring Violations
14
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 5 2013
Revised Total Coliform Rule MON 5 2021
Nitrate MR 5 2016
Coliform (TCR) MR 4 2013

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 DIAMOND LAKE COUNTY PARK.

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 MI2024362 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 DIAMOND LAKE COUNTY PARK 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
2021 Revised Total Coliform Rule MON 5 SDWIS / MI2024362 / 8000
2016 Nitrate MR 5 SDWIS / MI2024362 / 1040
2013 Coliform (TCR) MCL 5 SDWIS / MI2024362 / 3100
2013 Coliform (TCR) MR 4 SDWIS / MI2024362 / 3100

How DIAMOND LAKE COUNTY PARK Compares

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

Metric DIAMOND LAKE COUNTY PARK Michigan avg Federal benchmark
Total violations 19 23.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 5 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 100 830 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 DIAMOND LAKE COUNTY PARK water safe to drink?
DIAMOND LAKE COUNTY PARK (PWS ID: MI2024362) has 19 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 100 people using Groundwater sources.
How many people does DIAMOND LAKE COUNTY PARK serve?
DIAMOND LAKE COUNTY PARK serves 100 people in NEWAYGO, Michigan. It is a Private-owned system using Groundwater water sources with 2 service connections.
What type of violations does DIAMOND LAKE COUNTY PARK have?
DIAMOND LAKE COUNTY PARK has 19 total violations: 5 health-based violations (MCL exceedances or treatment failures), 14 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in DIAMOND LAKE COUNTY PARK water?
No PFAS testing data is available for DIAMOND LAKE COUNTY PARK under the EPA's UCMR5 monitoring program.
What water source does DIAMOND LAKE COUNTY PARK use?
DIAMOND LAKE COUNTY PARK uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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