Tapcensus

Revised Total Coliform Rule (RTCR) violations in Michigan

3,299 active public water systems in Michigan had a Revised Total Coliform Rule (RTCR) violation in the past three years, 847 of them in the latest quarter of EPA's data. What Revised Total Coliform Rule (RTCR) is and why it matters.

Health effects: Total coliform bacteria indicate that the disinfection barrier has been breached or fecal contamination is entering the system. E. coli specifically indicates fecal contamination and the possible presence of disease-causing pathogens (norovirus, Salmonella, Shigella, Campylobacter). Illness can be severe in elderly, young children, and immunocompromised individuals.

Systems with a Revised Total Coliform Rule (RTCR) violation

Latest quarter first, then largest first
SystemServesStatusRules violated, 3 yrUnresolved
West Portage Little League
Kalamazoo County
100 1 0
Westside Bible Baptist Church
Genesee County
100 2 0
Westwynd Halfway House
Oakland County
100 1 0
Whipple and Company
Missaukee County
100 1 0
Whirl-I-Gig
Baraga County
100 1 0
Wildflower Schoolhouse
Montcalm County
100 1 0
William Roberts Nature Center
Genesee County
100 2 0
William Roberts Nature Center Museum
Genesee County
100 2 0
William Roberts Nature Ctr South House
Genesee County
100 2 0
Wisswasser Park Bath Twp.
Clinton County
100 2 0
Wolverine Christian Camp
Lapeer County
100 1 0
Wyndgate Country Club Halfways
Oakland County
100 1 0
Yogi Bear's Jellystone Grayling (west)
Crawford County
100 1 0
Zain's Party Store
Kent County
100 2 0
Berville Country Market
Berville · St. Clair County
100 1 0
High Pointe Golf Club (lodge)
Grand Traverse County
100 1 0
Montrose Orchards
Genesee County
100 2 0
Northend Riverside Park Restroom
Mecosta County
100 1 0
Wolf Lake Estates
Van Buren County
99 2 0
Wisc Elec Power Co-Site 20
Iron County
98 1 0
First Baptist Church of Laingsburg
Shiawassee County
97 1 0
Day Dreamer Domes
Allegan County
96 1 0
Bandit Industries B1
Isabella County
95 5 1
Bandit Industries B2
Isabella County
95 2 0
Dollar General Vassar #22832
Tuscola County
95 3 1
Dollar General West Olive #22252
Ottawa County
95 1 0
Our Lady of the Assumption
Oceana County
95 1 0
Morton Township Library
Mecosta County
94 1 0
Lakeshore Hilltop Apartments
Oakland County
93 3 0
Gilde Real Estate Reeder's Corner
Missaukee County
92 2 0
Consumers Energy Training Facility
Ottawa County
90 1 0
Hope United Methodist Church
Barry County
90 1 0
KH of Jehovah's Wit East Jordan
Charlevoix County
90 1 0
Miars Investments
Eaton County
90 1 0
Morey ED Ctr/morey Flextech HS
Isabella County
90 2 0
Red Rooster Tavern
Muskegon County
90 2 0
Vassar Seventh-Day Adventist Church
Tuscola County
90 3 0
Sherwood Shores Condominiums
Berrien County
90 2 0
Sierra Sands Family Lodge
Oceana County
90 1 0
Stepping Stones Children's Center
Benzie County
89 2 1
Stingers
Oakland County
89 1 0
Fairlane Estates
Livingston County
88 1 0
Gonyon's Baton Gymnastics
Muskegon County
88 2 0
Terry Matlock Child Care
Genesee County
88 4 1
Dockside Resort
Keweenaw County
87 1 0
J's Elk Tavern
Lake County
86 2 0
Drummond Island Township Park Back Well
Chippewa County
86 1 0
Drummond Island Township Park Shelter
Chippewa County
86 1 0
Silver Lake Park
Genesee County
86 1 0
Northwestern Michigan Fair
Grand Traverse County
85 2 0
About this data

A system is counted once if any of its violations in the past three years involved Revised Total Coliform Rule (RTCR), including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not Revised Total Coliform Rule (RTCR) alone.

Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Michigan records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet.