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CREST MARINE - OLD

PWS ID: MI2008578 · OWOSSO, Michigan 48867

CREST MARINE - OLD serves 125 people in OWOSSO, Michigan using Groundwater water sources. It has 278 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CREST MARINE - OLD

CREST MARINE - OLD is a private-owned non-transient non-community water system that delivers drinking water to 125 residents in OWOSSO, Michigan (Shiawassee County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 278 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 278 monitoring and reporting violations are on file. The most recent violation on record dates to 2008.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 29 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 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. CREST MARINE - OLD's 278 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
125
Total Violations
278
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Shiawassee
School/Daycare
No
MCL Violations
0
Monitoring Violations
278
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 29 2007
Nitrate MR 18 2007
Arsenic MR 9 2005
Lead and Copper Rule MR 6 2008
Barium MR 6 2005
Cadmium MR 6 2005
Antimony, Total MR 6 2005
Thallium, Total MR 6 2005
Selenium MR 6 2005
Chromium MR 6 2005
Mercury MR 6 2005
Beryllium, Total MR 6 2005
CYANIDE MR 4 2002
Endrin MR 4 2002
OXAMYL MR 4 2002
Simazine MR 4 2002
Picloram MR 4 2002
Dinoseb MR 4 2002
Carbofuran MR 4 2002
LASSO MR 4 2002
Total Polychlorinated Biphenyls (PCB) MR 4 2002
Chlordane MR 4 2002
1,2,4-Trichlorobenzene MR 4 1999
cis-1,2-Dichloroethylene MR 4 1999
Xylenes, Total MR 4 1999
Vinyl chloride MR 4 1999
1,1-Dichloroethylene MR 4 1999
trans-1,2-Dichloroethylene MR 4 1999
1,2-Dichloroethane MR 4 1999
1,1,1-Trichloroethane MR 4 1999

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 CREST MARINE - OLD.

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 MI2008578 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 CREST MARINE - OLD 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
2008 Lead and Copper Rule MR 6 SDWIS / MI2008578 / 5000
2007 Coliform (TCR) MR 29 SDWIS / MI2008578 / 3100
2007 Nitrate MR 18 SDWIS / MI2008578 / 1040
2005 Arsenic MR 9 SDWIS / MI2008578 / 1005
2005 Barium MR 6 SDWIS / MI2008578 / 1010
2005 Cadmium MR 6 SDWIS / MI2008578 / 1015
2005 Antimony, Total MR 6 SDWIS / MI2008578 / 1074
2005 Thallium, Total MR 6 SDWIS / MI2008578 / 1085
2005 Selenium MR 6 SDWIS / MI2008578 / 1045
2005 Chromium MR 6 SDWIS / MI2008578 / 1020
2005 Mercury MR 6 SDWIS / MI2008578 / 1035
2005 Beryllium, Total MR 6 SDWIS / MI2008578 / 1075
2002 CYANIDE MR 4 SDWIS / MI2008578 / 1024
2002 Endrin MR 4 SDWIS / MI2008578 / 2005
2002 OXAMYL MR 4 SDWIS / MI2008578 / 2036

How CREST MARINE - OLD Compares

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

Metric CREST MARINE - OLD Michigan avg Federal benchmark
Total violations 278 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 125 830 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 CREST MARINE - OLD water safe to drink? ▼
CREST MARINE - OLD (PWS ID: MI2008578) has 278 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 125 people using Groundwater sources.
How many people does CREST MARINE - OLD serve? ▼
CREST MARINE - OLD serves 125 people in OWOSSO, Michigan. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does CREST MARINE - OLD have? ▼
CREST MARINE - OLD has 278 total violations: 0 health-based violations (MCL exceedances or treatment failures), 278 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CREST MARINE - OLD water? ▼
No PFAS testing data is available for CREST MARINE - OLD under the EPA's UCMR5 monitoring program.
What water source does CREST MARINE - OLD use? ▼
CREST MARINE - OLD 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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