Environmental Rules in St. Peters, MO (2026)
4 verified environmental rules for St. Peters, Missouri, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
In the City of St. Peters, Missouri, any development that paves, expands, or redevelops a site must provide on-site stormwater detention once it disturbs at least one acre or increases peak runoff by one cubic foot per second, under Section 550.040 and Section 550.090 of the Storm Sewer and Drainage chapter.
Stormwater Management Rules in St. Peters, Missouri
Some RestrictionsSt. Peters Municipal Code Sections 550.040 and 550.090
Any development or area which is to be paved, expanded, redeveloped or otherwise improved shall be required to provide on-site stormwater management unless the City Engineer waives such requirement for the reasons contained below: ... All new development and redevelopment projects that disturb greater than or equal to one (1) acre, including projects less than one (1) acre that are part of a la...
Erosion Control
In the City of St. Peters, Missouri, anyone seeking a grading permit from the City Engineer must submit a site erosion and siltation control plan under Section 530.020(A)(6). Grading projects that disturb more than twenty thousand square feet must go further under Section 530.050(B)(7)(c), adding sediment or debris basins, silt traps, or staked straw bales to the plan.
St. Peters, MO Grading Erosion Control Plan
Some RestrictionsSt. Peters Municipal Code Section 530.020(A)(6); Section 530.050(B)(7)(c)
6. Details of site erosion and siltation control, including siltation basins and re-vegetation, following the practices outlined in the most current edition of the "City of St. Peters, Missouri Standards for Erosion and Sediment Management Practices". ... ... c. Sediment and erosion control plans for sites that exceed twenty thousand (20,000) square feet of grading shall provide for sediment or...
Flood Zones
In the City of St. Peters, Missouri, Section 410.110 of the Municipal Code requires a floodplain development permit for every proposed construction or development in the flood hazard areas mapped for the city, including placing manufactured homes. No person, firm, corporation, or unit of government may start any development or substantial improvement without first getting a separate permit for each structure.
St. Peters Floodplain Development Permit
Significant RestrictionsSt. Peters Municipal Code Sections 410.110 and 410.250
Section 410.110. Floodplain Development Permit (Required). ... A floodplain development permit shall be required for all proposed construction or other development, including the placement of manufactured homes, in the areas described in Article II, § 410.040. No person, firm, corporation, or unit of government shall initiate any development or substantial improvement or cause the same to be do...
Flood Elevation Requirements
Section 410.160(A) of the St. Peters Municipal Code sets the freeboard standard for new construction in mapped A and AE flood zones with published base flood elevation data. New or substantially improved residential structures, including manufactured homes, must have the lowest floor, including any basement, elevated to one foot above the base flood elevation.
St. Peters Base Flood Elevation Freeboard Rule
Some RestrictionsSt. Peters Municipal Code Section 410.160(A)(1)-(2)
A. In all areas identified as numbered and unnumbered A zones and AE zones, where base flood elevation data have been provided, as set forth in Article IV, § 410.150(B), the following provisions are required: 1. Residential Construction. New construction or substantial improvement of any residential structures, including manufactured homes, shall have the lowest floor, including basement, eleva...
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