RESOURCES
Stormwater Discharge Guidelines
Practical guidance for managing stormwater discharge on construction sites in British Columbia while meeting regulatory requirements and protecting water quality.
- British Columbia (Provincial)
Core provincial legislation and guidelines governing water, environment, and land development in B.C.
City of Abbotsford
Turbidity (NTU)
< 25 NTU / < 100 NTU
Total Suspended Solids (mg/L):
—
pH:
6.5 – 9.0
City of Burnaby
Turbidity (NTU)
49 NTU: Trigger Value
Total Suspended Solids (TSS):
<25 mg/L / <75 mg/L
pH:
6.0 – 8.5
City of Coquitlam
Turbidity (NTU)
< 25 NTU / < 100 NTU
Total Suspended Solids (TSS):
—
pH:
6.5 – 8.0
City of Langley
Turbidity (NTU)
< 25 NTU
Total Suspended Solids (TSS):
< 75 mg/L
pH:
6.5 – 9.0
Township of Langley
Turbidity (NTU)
< 25 NTU / < 100 NTU
Total Suspended Solids (TSS):
—
pH:
6.5 – 9.0
City of Maple Ridge
Turbidity (NTU)
< 20 NTU
Total Suspended Solids (TSS):
< 25/L / < 75 mg/L
pH:
6.0 – 9.0
City of New Westminster
Turbidity (NTU)
< 65 NTU
Total Suspended Solids (TSS):
< 75 mg/L
pH:
6.5 – 9.0
City of North Vancouver
Turbidity (NTU)
< 25 NTU / < 100 NTU
Total Suspended Solids (TSS):
—
pH:
6.5 – 8.0
District of North Vancouver
Turbidity (NTU)
< 25 NTU
Total Suspended Solids (TSS):
< 25 mg/L / < 75 mg/L
pH:
6.5 – 9.0
City of Pitt Meadows
Turbidity (NTU)
< 25 NTU
Total Suspended Solids (TSS):
—
pH:
6.5 – 9.0
City of Pitt Meadows
Turbidity (NTU)
< 25 NTU
Total Suspended Solids (TSS):
—
pH:
6.5 – 9.0
City of Port Moody
Turbidity (NTU)
< 25 NTU
Total Suspended Solids (TSS):
75 mg/L
pH:
6.5 – 8.0
City of Surrey
Turbidity (NTU)
60 NTU: Trigger Value
Total Suspended Solids (TSS):
75 mg/L
pH:
6.5 – 9.0
City of Vancouver
Turbidity (NTU)
45 NTU: Trigger Value
Total Suspended Solids (TSS):
75 mg/L
pH:
6.0 – 9.0
City of West Vancouver
Turbidity (NTU)
< 25 NTU
Total Suspended Solids (TSS):
< 25 mg/L / < 75 mg/L
pH:
6.5 – 9.0
City of White Rock
Turbidity (NTU)
60 NTU: Trigger Value
Total Suspended Solids (TSS):
< 75 mg/L
pH:
6.5 – 9.0
The Regional District of Metro Vancouver
Turbidity (NTU)
< 25 NTU
Total Suspended Solids (TSS):
—
pH:
6.5 – 9.0
The Province of British Columbia
Turbidity (NTU)
—
Total Suspended Solids (TSS):
< 45 mg/L
pH:
6.5 – 9.0
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