Canadian Council of Ministers
of the Environment

Le Conseil canadien des ministres
de l'environnement

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Streambed substrate


Parameter 1: PHYSICAL
Parameter 2: Turbidity, clarity and suspended solids
Parameter 3: Total particulate matter

Water Quality for the Protection of Aquatic Life

Freshwater

Concentration (µg/L)

Narrative

4.Streambed substrate
Note: Streambed substrate guideline values apply to actual and potential spawning sites.

fine sediment
The quantity in streambed substrates should not exceed 10% <2 mm, 19% <3 mm, and 25% <6.35 mm.

geometric mean diameter
Geometric mean diameter should not exceed 12mm.

Freddle number
Freddle number should not exceed 5mm

intergravel dissolved oxygen
Minimum of 6.5 mg/L

Note:
Guideline values apply to actual and potential spawining sites

Based on: Caux, P.-Y., D.R.J. Moore, and D. MacDonald. 1997. Ambient water quality criteria for turbidity, suspended and benthic sediments in Bristish Columbia: Technical appendix. Prepared for Bristish Columbia Ministry of Environment, Lands and Parks, Water Quality Branch, Victoria, BC.

The technical document for the guideline is available from British Columbia Ministry of Environment, Lands and Parks.

Date

1999

Marine

Concentration (µg/L)

Narrative

4.Streambed substrate
Note: Streambed substrate guideline values apply to actual and potential spawning sites.

fine sediment
The quantity in streambed substrates should not exceed 10% <2 mm, 19% <3 mm, and 25% <6.35 mm.

geometric mean diameter
Geometric mean diameter should not exceed 12mm.

Freddle number
Freddle number should not exceed 5mm

intergravel dissolved oxygen
Minimum of 6.5 mg/L

Note:
Guideline values apply to actual and potential spawining sites

Based on: Caux, P.-Y., D.R.J. Moore, and D. MacDonald. 1997. Ambient water quality criteria for turbidity, suspended and benthic sediments in Bristish Columbia: Technical appendix. Prepared for Bristish Columbia Ministry of Environment, Lands and Parks, Water Quality Branch, Victoria, BC.

The technical document for the guideline is available from British Columbia Ministry of Environment, Lands and Parks.

Date

1999

Water Quality for the Protection of Agriculture

Irrigation

Concentration (µg/L)

No data

Date

No data

Livestock

Concentration (µg/L)

No data

Date

No data

Sediment Quality for the Protection of Aquatic Life

Freshwater

Concentration (µg/kg dry weight) - ISQG

No data

Concentration (µg/kg dry weight) - PEL

No data

Date

No data

Marine

Concentration (µg/kg dry weight) - ISQG

No data

Concentration (µg/kg dry weight) - PEL

No data

Date

No data

Soil Quality for the Protection of Environmental and Human Health

Concentration (mg/kg dry weight) - Agricultural

No data

Concentration (mg/kg dry weight) - Residential / parkland

No data

Concentration (mg/kg dry weight) - Commercial

No data

Concentration (mg/kg dry weight) - Industrial

No data

Date

No data

Tissue Residue Quality for the Protection of Widlife Consumer of Aquatic Biota

Concentration (µg/kg diet wet weight)

No data

Date

No data