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Bay County, MI Environmental Rules: Erosion Control (2026)

Significant Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Governing law
Bay County Code §§ 63.401, 63.404, 63.702
Adopted
Ord. No. 33, August 11, 1992
Home addition trigger
Over 400 square feet
Pool trigger
In-ground pool over 20,000 gallons
Penalty
Up to $500 fine, up to 90 days jail
Bond required
Up to $500 per acre

Summary

Bay County requires a Soil Erosion and Sediment Control Permit before any earth change disturbing enough ground to trigger the ordinance, including new home sites over 400 square feet and large in-ground pools. The county enforcing agency issues permits under Part 63, Ord. No. 33. Violating the permit requirement is a misdemeanor punishable by up to a $500 fine and 90 days in jail.

These county ordinances apply to unincorporated areas of Bay County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

This Ordinance shall be known as the "Bay County Soil Erosion and Sediment Control Ordinance," ... A landowner or developer who contracts for, allows or proposes to engage in an earth change to occur in Bay County shall obtain a permit application from the county enforcing agency prior to commencement of an earth change regulated by this Ordinance. ... Any person, firm or corporation who violates the provisions of Article IV of this Ordinance is guilty of a misdemeanor and upon conviction thereof shall pay a fine of not more than Five Hundred Dollars ($500.00), be imprisoned in the County Jail for a period not to exceed ninety (90) days, or both such fine and imprisonment plus costs of prosecution.

Full Breakdown

Bay County's Soil Erosion and Sediment Control Ordinance, Part 63 of the compiled ordinances (Ord. No. 401. 404 lists the activities that need a permit, including subdivision or site development, preparation of a site for a single family residence or an addition exceeding 400 square feet, in-ground swimming pools over 20,000 gallons, nonresidential buildings or workshops larger than 600 square feet, and industrial, commercial, recreational and utility development. 404(9) if the work is more than 500 feet from a lake, stream or county drain and disturbs one acre or less.

The county enforcing agency must act on a completed application within 30 calendar days. 800 requires the applicant to post a certified check, surety bond or other instrument up to $500 per acre to guarantee the erosion control work is completed, forfeited to the county if the work is not finished. 401.

Violations & Fines

Beginning a covered earth change without a permit, or violating Article IV's permit provisions, is a misdemeanor under Section 63.702: a fine up to $500.00, up to 90 days in the county jail, or both, plus prosecution costs. The county enforcing agency can also issue a cease and desist order or revoke a permit, and a landowner who starts work before applying is charged double the normal permit fee.

Frequently Asked Questions

When does a home project need a soil erosion permit in Bay County?
It needs a permit if it disturbs enough ground: a new single family home site or an addition over 400 square feet, a nonresidential building over 600 square feet, or an in-ground pool over 20,000 gallons, under Section 63.404. Smaller normal maintenance and landscaping work is exempt.
Is there a faster permit path for a single family home?
Yes. Section 63.404(9) allows a temporary seven-business-day permit for a single family home site if the work is more than 500 feet from a lake, stream or designated county drain and disturbs one acre or less, followed by an on-site inspection before a permanent permit issues.
What happens if I start grading before getting a permit?
Building without one is a misdemeanor under Section 63.702, punishable by a fine up to $500.00, up to 90 days in jail, or both, plus prosecution costs; starting work before applying also doubles the required permit fee under the Article V fee schedule.

Sources & Official References

Other rules in Bay County

All Bay County rules

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