Part II — FLOOD RESISTANT DEVELOPMENT

Walnut Creek Municipal Code · 2026-09 edition · updated 2026-09-27 · Walnut Creek

§ 9-12.2.101. Requirements for Buildings and Structures in Flood Hazard Areas.¶

§ 9-12.2.102. Detached Garages and Accessory Storage Structures.¶

§ 9-12.2.103. Utility and Miscellaneous Group U.¶

§ 9-12.2.201. Minimum Requirements.¶

§ 9-12.2.202. Subdivision Requirements.¶

§ 9-12.2.301. Minimum Requirements.¶

§ 9-12.2.302. Sanitary Sewer Facilities.¶

§ 9-12.2.303. Water Supply Facilities.¶

§ 9-12.2.304. Development in Floodways.¶

§ 9-12.2.305. Limitations on Placement of Fill.¶

§ 9-12.2.401. Installation.¶

§ 9-12.2.402. Foundations.¶

§ 9-12.2.403. Anchoring.¶

§ 9-12.2.404. General Elevation Requirement.¶

§ 9-12.2.405. Elevation Requirement for Certain Existing Manufactured Home Parks and¶

§ 9-12.2.406. Flood Damage-Resistant Materials.¶

§ 9-12.2.407. Enclosures.¶

§ 9-12.2.408. Protection of Mechanical Equipment and Outside Appliances.¶

§ 9-12.2.501. Temporary Placement.¶

§ 9-12.2.502. Permanent Placement.¶

§ 9-12.2.601. General Requirements for Other Development.¶

§ 9-12.2.602. Tanks.¶

§ 9-12.2.603. Requirements for Temporary Structures and Temporary Storage in Flood Hazard¶

§ 9-12.2.604. Fences in Floodways.¶

§ 9-12.2.605. Oil Derricks.¶

§ 9-12.2.606. Retaining Walls, Sidewalks and Driveways in Floodways.¶

§ 9-12.2.607. Roads and Watercourse Crossings in Floodways.¶

§ 9-12.2.608. Swimming Pools.¶

§ 9-12.2.701. Flood Control Projects; General.¶

§ 9-12.2.702. Flood Control Projects; Applications.¶

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Walnut Creek Municipal Code

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