Environmental Rules in Mountain View, CA (2026)
4 verified environmental rules for Mountain View, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Mountain View bans dumping anything but stormwater into curbside gutters, storm drains and creeks under City Code Sec. 35.32.3.1. The fire chief enforces the rule, and violators face civil penalties up to $25,000 per day under Fish and Game Code Section 5650.1 for spills that reach a storm drain or waterway.
Mountain View Stormwater Discharge Rules
Some RestrictionsMountain View, CA, City Code Sec. 35.32.3.1 (Discharge to Curbside Gutter, Storm Sewer, Storm Drain or Natural Outlets)
It shall be unlawful to discharge or cause a threatened discharge to any curbside gutter, storm sewer, storm drain gutter, creek or natural outlet any domestic sewage, sanitary sewage, industrial wastes, polluted waters, construction waste, litter or refuse except where permission is granted by the fire chief. Unlawful discharges to storm drains shall include, but are not limited to, discharges...
Erosion Control
Every construction project in Mountain View that disturbs less than one acre must manage storm water and erosion on site under City Code Sec. 8.70.05, using retention basins, filtered discharge, or other city-approved barriers. Sites must also meet the year-round pollutant control standards of Chapter 35 Sec. 35.33.11.1(t), covering erosion, sediment and runoff control through every phase of construction.
Mountain View Construction Erosion Control
Some RestrictionsMountain View, CA, City Code Sec. 8.70.05 (Storm Water Drainage and Retention During Construction), Green Building Code Div. 5
4.106.2 Storm water drainage and retention during construction. Projects which disturb less than one acre of soil and are not part of a larger plan of development which in total disturbs one acre or more, shall manage storm water drainage during construction. In order to manage storm water drainage during construction, one or more of the following measures shall be implemented to prevent floodi...
Flood Zones
Mountain View requires a floodplain development permit from the floodplain administrator before any construction, grading, filling or similar development in a flood hazard area established under the FEMA Flood Insurance Rate Maps. No permit issues until every applicable code and regulation is satisfied.
Mountain View Floodplain Development Permit
Some RestrictionsMountain View, CA, City Code Sec. 48.10.05 (Permits Required)
SEC. 48.10.05. - Permits required. Any person, owner or authorized agent who intends to conduct any development in a flood hazard area shall first make application to the floodplain administrator and shall obtain the required permit for floodplain development. No permit shall be issued until compliance with the requirements of this Chapter and all other applicable codes and regulations have bee...
Flood Elevation Requirements
Mountain View treats building below the base flood elevation as an exception, not a default: it takes a rare variance to do it, and the floodplain administrator must warn the owner in writing that going below code elevation can push federal flood insurance premiums as high as $25 per $100 of coverage.
Mountain View Base Flood Elevation Rule
Some RestrictionsMountain View, CA, City Code Sec. 48.16.50(e) (Conditions for Issuance of Variances)
e.When the request is to allow construction of the lowest floor of a new building or substantial improvement of a building below the base flood elevation, notification to the applicant in writing and signed by the floodplain administrator specifying the difference between the base flood elevation and the proposed elevation of the lowest floor, stating that issuance of a variance to construct be...
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