Title IX — FLOOD DAMAGE, FLOOD CONTROL, AND DRAINAGE

Chapter 1 — FLOODPLAIN MANAGEMENT

Windsor Zoning Code · 2026-06 edition · ingested 2026-07-07 · Windsor

Article 1.

Statutory Authorization, Findings of Fact, Purpose and Methods

9-1-100 Statutory Authorization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-01
9-1-105 Findings of Fact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-01
9-1-110 Statement of Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-01
9-1-115 Methods of Reducing Flood Losses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-02
Article 2.
Definitions
9-1-200 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-02
Article 3.
General Provisions
9-1-300 Lands to Which This Chapter Applies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-08
9-1-305 Basis for Establishing the Areas of Special Flood Hazard . . . . . . . . . . . . . . . 9-08
9-1-310 Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-09
9-1-315 Abrogation and Greater Restrictions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-09
9-1-320 Interpretation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-09
9-1-325 Warning and Disclaimer of Liability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-09
9-1-330 Severability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-09
Article 4.
Administration
9-1-400 Designation of the Floodplain Administrator . . . . . . . . . . . . . . . . . . . . . . . . . . 9-09
9-1-405 Duties and Responsibilities of the Floodplain Administrator . . . . . . . . . . . . 9-10
9-1-410 Permit Review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-10
9-1-415 Development of Substantial Improvement and Substantial Damage Proce-
dures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-10

(Supp. No. 55)

46.3

TOWN OF WINDSOR CODE

9-1-420 Review, Use and Development of Other Base Flood Data . . . . . . . . . . . . . . . 9-10
9-1-425 Notification of Other Agencies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-10
9-1-430 Documentation of Floodplain Development . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-11
9-1-435 Map Determination. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-11
9-1-440 Remedial Action. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-11
9-1-445 Biennial Report. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-12
9-1-450 Planning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-12
9-1-455 Development Permit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-12
9-1-460 Appeals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-12

Article 5.

Provisions for Flood Hazard Reduction

9-1-500 Standards of Construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-13
9-1-505 Anchoring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-13
9-1-510 Construction Materials and Methods. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-13
9-1-515 Elevation and Floodproofing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-13
9-1-520 Flood Openings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-14
9-1-525 Manufactured Homes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-15
9-1-530 Garages and Low-Cost Accessory Structures . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-15
9-1-535 Standards for Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-16
9-1-540 Standards for Subdivisions and Other Proposed Development . . . . . . . . . . . 9-16
9-1-545 Standards for Manufactured Homes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-16
9-1-550 Standards for Recreational Vehicles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-17
9-1-560 Floodways . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-17
9-1-565 Non-conversion of Enclosed Areas Below the Lowest Floor . . . . . . . . . . . . . 9-18

46.4

(Supp. No. 55)

9-1-600 NatureofVariances.................................................. 9-18
9-1-610 Conditionsfor Variances............................................ . 9-19
9-1-615 AppealBoard...................................................... . 9-19
CHAPTER4
STORMWATERQUALITY
Article1.
Title, Purpose, and General Provisions
9-4-100 Title, Purpose,andIntent............................................. 9-21
--- --- ---
9-4-105 Definitions.......................................................... 9-21
9-4-110 Applicability........................................................ 9-23
9-4-115 Responsibility for Administration..................................... 9-23
Article 2.
Discharge Prohibitions
9-4-200 ProhibitionofIllegal Discharges...................................... 9-23
Article 3.
Regulations and Requirements
9-4-300 Requirements for Reducing Pollutants inStormWater.................. 9-24
9-4-301 Requirements forConstructionSitesthatCauseLandDisturbance....... 9-25
9-4-303 Requirements forConstructionSitesThatCauseLandDisturbanceof 9-26
LessThanOneAcre........................ ..........................
9-4-304 Requirements forConstructionSitesThatCauseLandDisturbanceofOne 9-26
AcreorMore........................................................
9-4-305 RequirementtoEliminate Illegal Discharges........................... 9-27
9-4-310 RequirementtoEliminateorSecure Approval for Illicit Connections..... 9-27
9-4-315 RequirementtoRemediate............... ............................ 9-27
9-4-320 RequirementtoMonitorandAnalyze................................. 9-27
9-4-325 NotificationofSpills................................................. 9-27

9-4-400 Authority to Inspect .......... ............ .... . . . .......... .......... 9-28
9-4-405 Authority to Sample, Establish Sampling Devices, and Test............. . 9-28

9-4-500 Enforcement Authority.................. . .... . ........ . .............. 9-28
9-4-505 Appeal............. ................ ..... ...................... . . .... 9-30
9-4-510 Abatement by Town . .......... .......... ..................... ....... 9-30
9-4-515 Charging CostofAbatement/Liens....... ............................ 9-31
9-4-520 Urgency Abatement................................................ . . 9-31
9-4-525 Violations................................................ ........... 9-31
9-4-530 Compensatory Action............... .................... . ............ 9-31
9-4-535 Violations Deemed a Public Nuisance ... ... ... ... ................ ..... 9-32
9-4-540 Acts Potentially Resultingina Violationofthe Federal Clean Water Act
and/orCalifornia Porter-Cologne Act........... ........... . .......... 9-32
9-4-545 Remedies AreNotExclusive... ....... . ...... .. . ............ ..... . . . . . 9-32

I 0-1-100 Permit, When Authorized . ........... . . ... . ... ..................... . . l0-01
10-1-105 Application... . .................................................... . I0-01
10-1-110 Fees for IssuanceofOverload, Overheight, Overwidth Permits . ...... . . . I0-0I
I0-1-115 Terms and Conditions for Issuance; Security Against Injury to Road, etc.;
Indemnification for Damages.. ...... . . ..... . . . ...... ... .............. 10-0I
I0-1-120 RevocationofPermit ........................................... . . . . . 10-0I
10-1-125 Appeals from ActionofRoad Commissioner ..... ...... . ............ . . 10-0I
(Supp. No. 35) 48

TABLE OF CONTENTS

Applicability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-02

10-1-130