Environmental Rules in Pleasanton, CA (2026)
4 verified environmental rules for Pleasanton, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Pleasanton bans any discharge to its storm drain system that isn't composed entirely of stormwater. § 9.14.080 of the Stormwater Management and Discharge Control Ordinance makes it unlawful to dump, abandon or leave materials where they can wash into the MS4, implementing the city's NPDES Permit No. CAS612008.
Pleasanton Stormwater Discharge Ban
Significant RestrictionsPleasanton Municipal Code § 9.14.080
A. General Prohibition. Any discharge to the MS4 not composed entirely of stormwater is prohibited, except as set forth in Section 9.14.090. B. The city of Pleasanton has the authority and duty to require any person intending to connect to the MS4 to adhere to this chapter, the MRP, and any amendment, revision, or reissuance thereof. C. It is unlawful to throw, deposit, leave, abandon, maintain...
Erosion Control
Every construction site in Pleasanton must run effective erosion, run-on/runoff and sediment control from demolition through final stabilization. § 9.14.130 bars construction from starting until required best management practices are installed, and the city can issue a written stop-work order for noncompliant sites.
Pleasanton Construction Erosion Control
Significant RestrictionsPleasanton Municipal Code § 9.14.130
All construction sites shall implement effective erosion control, run-on and runoff control, sediment control, active treatment systems (as appropriate), good site management, and non-stormwater management through all phases of construction (including, but not limited to, demolition, site grading, building, and finishing of lots) until the site is fully stabilized by landscaping or the installa...
Flood Zones
Pleasanton requires a development permit before any construction, filling, grading or land alteration in an area of special flood hazard, based on the city's 1984 Flood Insurance Study and FIRM No. 060001 0115C. Violations are a misdemeanor enforced by the city engineer as floodplain administrator.
Floodplain Development Rules in Pleasanton, CA
Some RestrictionsPleasanton Municipal Code § 17.08.080
No structure or land shall hereafter be constructed, located, extended, converted or altered without full compliance with the terms of this chapter and other applicable regulations. Violations of the provisions of this chapter 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
Pleasanton requires new construction and substantial improvements in a special flood hazard area to elevate the lowest floor, including any basement, to at least one foot above the base flood elevation, a one-foot freeboard margin verified by a registered engineer or surveyor.
Base Flood Elevation Freeboard in Pleasanton, CA
Some RestrictionsPleasanton Municipal Code § 17.08.150(C)(1)
New construction and substantial improvement of any structure shall have the lowest floor, including basement, elevated to or above one foot higher than the base flood elevation. Nonresidential structures may meet the standards in subsection (C)(3) of this section. Upon completion of the structure, the elevation of the lowest floor, including basement, shall be certified by a registered profess...
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