Environmental Rules in Davis, CA (2026)
4 verified environmental rules for Davis, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Davis bans discharging anything but stormwater into its storm drain system under Chapter 30, implementing its federal Clean Water Act NPDES permit. Violators face notice-and-correct enforcement, civil penalties up to five thousand dollars per day, and criminal misdemeanor charges.
Davis Stormwater Discharge Control
Significant RestrictionsDavis Municipal Code Section 30.01.010; Section 30.02.010; Section 30.06.030
The purpose and intent of this chapter is to promote the health, safety, and general welfare of citizens, and to protect and enhance the water quality of watercourses and water bodies in a manner pursuant to and consistent with the Federal Clean Water Act (33 U.S.C. Sections 1251 et seq.). ... No person shall discharge, permit to be discharged, or cause to be discharged non-stormwater to the st...
Erosion Control
Before breaking ground in Davis, the property owner or leaseholder must submit an erosion and sediment control plan with the grading or building permit application. The city engineer must approve it in writing before any construction activity can start.
Davis Construction Erosion Control Plan
Some RestrictionsDavis Municipal Code Section 30.03.010
The person who possesses the title of the real property or the leasehold interest of the premises on which a construction activity will occur within the city shall prepare and submit, or cause to be prepared and submitted, an erosion and sediment control plan prior to and as a condition of the issuance of a grading or building permit. The erosion and sediment control plan shall contain, at a mi...
Flood Zones
Any construction, filling, grading, or excavation inside a Davis area of special flood hazard needs a development permit from the city engineer, the designated floodplain administrator, before work begins. The rule traces the boundary to the city's 2002 FEMA Flood Insurance Study and caps any rise in base flood elevation at one foot.
Davis Floodplain Development Permit
Some RestrictionsDavis Municipal Code §§ 8.05.030, 8.06.010, 8.06.020
No structure or land shall hereafter be constructed, located, extended, converted or altered without full compliance with the terms of this article and other applicable regulations. Violations of the provisions of this article by failure to comply with any of its requirements, including violations of conditions and safeguards established in connection with conditions, shall constitute a misdeme...
Flood Elevation Requirements
Any new construction or substantial improvement inside Davis's mapped flood hazard areas must have its lowest floor, including any basement, built at or above the base flood elevation set by FEMA's Flood Insurance Rate Maps. A registered engineer or surveyor must certify the elevation to the floodplain administrator before the city treats the structure as compliant.
Davis Base Flood Elevation and Freeboard Rules
Some RestrictionsDavis Municipal Code § 8.07.010(c)(1)-(c)(2)
New construction and substantial improvements of any structure shall have the lowest floor, including basement, elevated to or above the base flood elevation. ... New construction and substantial improvement of any structure in Zone AH or AO shall have the lowest floor, including basement, elevated above the highest adjacent grade at least as high as the depth number specified in feet on the FI...
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