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Chapter 18.175 — STORMWATER MANAGEMENT

Concord Zoning Code · 2026-06 edition · updated 2026-07-25 · Concord

Section:

18.175.010 Stormwater management.

18.175.010 Stormwater management.

Every application for a development project that creates, adds, or replaces any existing impervious surface that meets or exceeds the stormwater treatment threshold of the NPDES permit in force at the time shall be accompanied by a stormwater control plan that meets the criteria in the most recent version of the Contra Costa Clean Water Program Stormwater C.3 Guidebook. Otherwise the application shall comply with Chapter 16.05 CMC, Stormwater Management and Discharge Control. [Ord. 12-4. DC 2012 § 122-503].

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The Concord Municipal Code is current through Ordinance 26-1, passed February 10, 2026.

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▸ Contents — Concord Zoning Code
Concord Zoning Code
  1. Chapter 18.10 — TITLE, PURPOSE, APPLICABILITY, AND INTERPRETAT…
  2. Chapter 18.100 — AIRPORT OVERLAY DISTRICT (A)
  3. Chapter 18.105 — TRANSIT STATION OVERLAY DISTRICT (TS)
  4. Chapter 18.110 — COMMERCIAL CANNABIS OVERLAY DISTRICT
  5. Chapter 18.115 — AFFORDABLE HOUSING OVERLAY DISTRICT
  6. Chapter 18.15 — ZONING DISTRICTS AND ZONING MAP
  7. Chapter 18.150 — GENERAL DEVELOPMENT STANDARDS
  8. Chapter 18.152 — OBJECTIVE DESIGN STANDARDS
  9. Chapter 18.155
  10. Chapter 18.160 — PARKING, LOADING, AND ACCESS
  11. Chapter 18.165 — LANDSCAPING
  12. Chapter 18.170
  13. ▸ Chapter 18.175 — STORMWATER MANAGEMENT
    Overview
    1. 18.180 Signs
  14. Chapter 18.180 — SIGNS
  15. Chapter 18.185 — AFFORDABLE HOUSING
  16. Chapter 18.20 — GENERAL TERMS
  17. Chapter 18.200 — STANDARDS FOR SPECIFIC USES
  18. Chapter 18.205 — WIRELESS COMMUNICATION FACILITIES FOR NEW AND…
  19. Chapter 18.207
  20. Chapter 18.210 — ADULT-ORIENTED BUSINESSES
  21. Chapter 18.25 — DEVELOPMENT AND LAND USE APPROVALS
  22. Chapter 18.30
  23. Chapter 18.300 — HILLSIDE PROTECTION
  24. Chapter 18.305
  25. Chapter 18.310 — TREE PRESERVATION AND PROTECTION
  26. Chapter 18.35
  27. Chapter 18.40 — OFFICE AND COMMERCIAL DISTRICTS (CO, CMX, NC, …
  28. Chapter 18.400
  29. Chapter 18.402
  30. Chapter 18.405
  31. Chapter 18.410 — ZONING CLEARANCE
  32. Chapter 18.415 — DESIGN AND SITE REVIEW
  33. Chapter 18.420 — ADMINISTRATIVE PERMITS
  34. Chapter 18.425 — MINOR EXCEPTIONS
  35. Chapter 18.430 — VARIANCES
  36. Chapter 18.435 — MINOR USE PERMITS AND USE PERMITS
  37. Chapter 18.440 — PLANNED DEVELOPMENT USE PERMIT
  38. Chapter 18.445 — HILLSIDE DEVELOPMENT USE PERMIT
  39. Chapter 18.45 — DOWNTOWN DISTRICTS (DP, DMX, AND WMX)
  40. Chapter 18.455
  41. Chapter 18.460 — DEVELOPMENT AGREEMENTS
  42. Chapter 18.50
  43. Chapter 18.500 — PUBLIC HEARINGS
  44. Chapter 18.505
  45. Chapter 18.510 — APPEALS AND CALLS FOR REVIEW
  46. Chapter 18.515 — ENVIRONMENTAL REVIEW
  47. Chapter 18.520 — PERFORMANCE GUARANTEES AND PROPERTY MAINTENANCE
  48. Chapter 18.525 — COVENANTS OF EASEMENTS
  49. Chapter 18.530 — NONCONFORMING USES, STRUCTURES, AND PARCELS
  50. Chapter 18.535 — NONCONFORMING PHYSICAL IMPROVEMENTS/PROPERTY …
  51. Chapter 18.540 — ENFORCEMENT
  52. Chapter 18.55 — PUBLIC/QUASI-PUBLIC DISTRICT (PQP)
  53. Chapter 18.60 — COMMUNITY LAND DISTRICTS (OS, PR, RLC, WRC, AN…
  54. Chapter 18.65 — STUDY DISTRICT (S)

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