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Martin Creek South

Martin Creek South is a notable watercourse located southwest of Cameron Lake in the Kawartha region. Originating near the western end of Chambers Road, the creek flows northeast, passing under Highway 35, and empties into Cameron Lake at Sacket Bay.

The Martin Creek South watershed encompasses approximately 42 square kilometers, featuring a total watercourse length of 43 kilometers.The landscape is characterized by 52% natural vegetation cover, predominantly mixed forests.This includes 703 hectares of forest interior and 79 hectares of deep forest interior, providing essential habitats for various plant and animal species.

Significant ecological features within the watershed include the Cameron Lake No.6 Provincially Significant Wetland, covering 1,269 hectares, and the Martin Creek Swamp, an Area of Natural and Scientific Interest (ANSI) spanning 1,447 hectares. These areas play a crucial role in maintaining regional biodiversity, water quality, and flood regulation.

Environmental assessments indicate that the surface water quality of Martin Creek South is rated as fair, with total phosphorus concentrations averaging 0.041 mg/L, exceeding the provincial objective of 0.03 mg/L for rivers and streams.The health of benthic macroinvertebrate communities, as measured by the Family Biotic Index (FBI), is considered fair.Forest conditions within the watershed are rated as good, reflecting the area's rich natural heritage.

Understanding the characteristics and environmental conditions of Martin Creek South is essential for effective watershed management and conservation efforts, ensuring the preservation of its ecological integrity and the health of the broader Cameron Lake ecosystem.

A shallow creek flows alongside rocks and grass through a culvert

View Map Of

Martin Creek South

Watershed characteristics

Learn about the characteristics of the Martin Creek South watershed.

The total watershed area is 42 km² or 4,182 ha and the total watercourse length is 43 km.

The dominant forest type is mixed forest including:

  • Forest Interior (100 m): 703 ha
  • Forest Interior (200 m): 79 ha
  • Natural Cover: 52 %
  • Riparian Areas: 202 ha

Provincially Significant Wetlands: Cameron Lake No.6: 1,269 ha

Area of Natural and Scientific Interest (ANSI):

  • Life Science: Martin Creek Swamp: 1,447 ha
  • Earth Science: Cameron Rock Drumlin: 360 ha

Environmental conditions

The following grades show the environmental conditions for the Martin Creek South watershed.

Surface water quality
Indicator Result Grade Status

Total phosphorus

N/A

N/A

N/A

Benthic macroinvertebrates

5.48

C

Fair

The surface water quality grade was based on total phosphorous (TP) and/or benthic macroinvertebrates (aquatic insects) family biotic index (FBI). The provincial water quality objective for TP in rivers and streams is 0.03 mg/L and 0.02 mg/L in lakes. These guidelines were set because levels highter than these guildelines provide conditions for nuisance algae and aquatic plant growth. A TP value below 0.03 mg/L (rivers) or 0.02 (lakes) meets the provincial guidelines and is in the B (good) or A (excellent) grade range, while the result for benthic macroinvertebrates must be 5.00 or lower to receive a B (good) or A (very good to excellent) grade.

Forest conditions
Indicator Area cover Percent cover Grade Status

Forest cover

19.3 km²

46.0%

A

Excellent

Forest interior

8.8 km²

21.1%

A

Excellent

Forested riparian cover

0.9 km²

33.5%

C

Fair

The combined forest conditions grade for Martin Creek South is ranked as good.

Wetland conditions
Indicator Area cover Percent cover Grade Status

Wetland cover

16.6 km²

39.7%

A

Excellent

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