SepticMatch
Jenison · Ottawa County · Michigan

Septic in Jenison, MI

A Jenison house on septic falls under Ottawa County's code, with a permit lasting 24 months and a rush evaluation option that adds $347.

Residents
17,334
Homes built before 1980
73.8%
Median home value
$257,600

Census figures: ACS 2023 five-year estimates (B01003, B25034, B25077).

Written by the SepticMatch editorial teamLast reviewed Oct 19, 2026

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Ottawa County sets the septic rules

Septic permits, sale inspections and installer rules are set by the county health department, not by the city. A sale rule with a rush option and a $250 penalty.

Who permits septic systems
Ottawa County Department of Public Health, Environmental Health Division, Holland
Inspection at sale
Required
Permit steps
Permit required for new and repair systems; the site must meet the code; permits expire after 24 months; the installer notifies the department for the final inspection before anything is covered and the health officer responds within two working days.

See the Ottawa County septic rules

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