PlainWater

Transient Non-Community Water System · PWS MI2000111

Bear Cave Resort 1

Monsey, Michigan 10952 - drinking water served from groundwater sources to 684 people, tracked in EPA SDWIS and UCMR5.

684
People served
21
EPA violations
17
Health-based
Untested
UCMR5 result

The verdict

EPA records 21 drinking-water violations at Bear Cave Resort 1, 81% of them health-based - below the Michigan per-system average.

21
Total EPA violations on record
81%
Health-based (MCL / treatment failure)
684
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Bear Cave Resort 1

Bear Cave Resort 1 is a private-owned transient non-community water system that delivers drinking water to 684 residents in Monsey, Michigan (Berrien County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 21 total violations for this system , of which 17 (81%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 4 monitoring and reporting violations are on file. The most recent violation on record dates to 2015.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 17 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. Statewide, 87 of 318 UCMR5-tested systems have reported PFAS detections (27.4%).

Bear Cave Resort 1's 21 violations sit below the Michigan 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
684
Total Violations
21
Health-Based Violations
17
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
1
County
Berrien
School/Daycare
No
MCL Violations
17
Monitoring Violations
4
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 17 2015
Nitrate MR 4 2010

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 Bear Cave Resort 1.

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 MI2000111 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 Bear Cave Resort 1 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
2015 Coliform (TCR) MCL 17 SDWIS / MI2000111 / 3100
2010 Nitrate MR 4 SDWIS / MI2000111 / 1040

How Bear Cave Resort 1 Compares

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

Metric Bear Cave Resort 1 Michigan avg Federal benchmark
Total violations 21 23.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 17 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 684 830 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 (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 Bear Cave Resort 1 water safe to drink?
Bear Cave Resort 1 (PWS ID: MI2000111) has 21 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 684 people using Groundwater sources.
How many people does Bear Cave Resort 1 serve?
Bear Cave Resort 1 serves 684 people in Monsey, Michigan. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Bear Cave Resort 1 have?
Bear Cave Resort 1 has 21 total violations: 17 health-based violations (MCL exceedances or treatment failures), 4 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Bear Cave Resort 1 water?
No PFAS testing data is available for Bear Cave Resort 1 under the EPA's UCMR5 monitoring program.
What water source does Bear Cave Resort 1 use?
Bear Cave Resort 1 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.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.
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.