Requirement

Detail

• Required for all development projects on lots greater than or equal to 10,000 square feet.
• Must be submitted to the City prior to the issuance of permits.

• Applies to new and redevelopment projects that create or replace 10,000 square feet or more of impervious surface area (roof, streets, sidewalks, parking lots, etc).
• Projects must incorporate stormwater treatment measures and size according to hydraulic standards.

• New and redevelopment projects that create or replace 1 acre or more of impervious surface area must control the quantity of stormwater runoff in areas where increased runoff flow and volume may cause increased creek erosion.
• Options to control stormwater quantity include: detention basins, wet ponds & underground devices.

Stormwater Treatment Measure Maintenance Agreement aka Operations and Maintenance Agreement 

(O&M Agreement)

• Required for all projects incorporating stormwater treatment measures and/or hydromodification management measures to ensure adequate maintenance.
• Agreement executed between the City of Fremont and property owner of development site.
• Agreement recorded on property title.

Site Design Measures

• Design measures to maximize pervious areas and increase infiltration such as disconnected roof leaders, pervious paving, clustering building to maintain open space, and green roofs.

• Operational/facility measures used to reduce water quality impacts including: Roofed trash enclosure, indoor mat/equipment wash racks, designated vehicle wash area that drains to sanitary sewer.