PlainWater

EQ UNITED

PWS ID: MI2021214 · CASSOPOLIS, Michigan 49031

EQ UNITED serves 115 people in CASSOPOLIS, Michigan using Groundwater water sources. It has 36 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: EQ UNITED

EQ UNITED is a private-owned non-transient non-community water system that delivers drinking water to 115 residents in CASSOPOLIS, Michigan (Cass County) through 3 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 36 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 36 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 Mercury, recorded in 5 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. EQ UNITED's 36 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
115
Total Violations
36
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
3
County
Cass
School/Daycare
No
MCL Violations
0
Monitoring Violations
36
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Mercury MR 5 2024
Lead and Copper Rule MR 2 2006
DICHLOROMETHANE MR 1 1993
o-Dichlorobenzene MR 1 1993
trans-1,2-Dichloroethylene MR 1 1993
1,1,1-Trichloroethane MR 1 1993
1,2-Dichloropropane MR 1 1993
Trichloroethylene MR 1 1993
Tetrachloroethylene MR 1 1993
CHLOROBENZENE MR 1 1993
Toluene MR 1 1993
Ethylbenzene MR 1 1993
Styrene MR 1 1993
Chromium MR 1 2002
Cadmium MR 1 2002
Barium MR 1 2002
Antimony, Total MR 1 2002
Thallium, Total MR 1 2002
Xylenes, Total MR 1 1993
Carbon tetrachloride MR 1 1993
1,2-Dichloroethane MR 1 1993
Vinyl chloride MR 1 1993
1,1-Dichloroethylene MR 1 1993
p-Dichlorobenzene MR 1 1993
Benzene MR 1 1993
Nitrite MR 1 2025
cis-1,2-Dichloroethylene MR 1 1993
Beryllium, Total MR 1 2002
1,1,2-Trichloroethane MR 1 1993
1,2,4-Trichlorobenzene MR 1 1993

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 EQ UNITED.

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 MI2021214 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 EQ UNITED 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 Nitrite MR 1 SDWIS / MI2021214 / 1041
2024 Mercury MR 5 SDWIS / MI2021214 / 1035
2006 Lead and Copper Rule MR 2 SDWIS / MI2021214 / 5000
2002 Chromium MR 1 SDWIS / MI2021214 / 1020
2002 Cadmium MR 1 SDWIS / MI2021214 / 1015
2002 Barium MR 1 SDWIS / MI2021214 / 1010
2002 Antimony, Total MR 1 SDWIS / MI2021214 / 1074
2002 Thallium, Total MR 1 SDWIS / MI2021214 / 1085
2002 Beryllium, Total MR 1 SDWIS / MI2021214 / 1075
2002 Selenium MR 1 SDWIS / MI2021214 / 1045
1993 DICHLOROMETHANE MR 1 SDWIS / MI2021214 / 2964
1993 o-Dichlorobenzene MR 1 SDWIS / MI2021214 / 2968
1993 trans-1,2-Dichloroethylene MR 1 SDWIS / MI2021214 / 2979
1993 1,1,1-Trichloroethane MR 1 SDWIS / MI2021214 / 2981
1993 1,2-Dichloropropane MR 1 SDWIS / MI2021214 / 2983

How EQ UNITED Compares

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

Metric EQ UNITED Michigan avg Federal benchmark
Total violations 36 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 115 830 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 EQ UNITED water safe to drink?
EQ UNITED (PWS ID: MI2021214) has 36 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 115 people using Groundwater sources.
How many people does EQ UNITED serve?
EQ UNITED serves 115 people in CASSOPOLIS, Michigan. It is a Private-owned system using Groundwater water sources with 3 service connections.
What type of violations does EQ UNITED have?
EQ UNITED has 36 total violations: 0 health-based violations (MCL exceedances or treatment failures), 36 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in EQ UNITED water?
No PFAS testing data is available for EQ UNITED under the EPA's UCMR5 monitoring program.
What water source does EQ UNITED use?
EQ UNITED 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.

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