StreamWatch Assessment Details at GARP-Trenton
General Information

Investigator #1 Eric Martin (The Watershed Institute)
Investigator #2 Erik Silldorff (The Watershed Institute)
Assessment Date May 15, 2024
Assessment Time 5 p.m.
Assessment Type(s) StreamWatch Schools

Weather Condition and Visual Assessment

Current Weather Overcast, Light rain
Time Since Last Rain or Snowmelt Less Than 24 hours ago
Water Color Clear
Water Odor Normal
Water Odor Other Description N/A
Turbidity Unknown
Water Movement Moderate/Ripples
Surface Coating None
Aquatic Vegetation Amount Scarce
Aquatic Vegetation Type Submergent
Algae Amount Scarce
Algae Type Filamentous

Simple Habitat Assessment

Woody Debris Amount Moderate
Woody Debris Type Both
Tree Canopy Mostly Open (25-50%)
Land Use Characteristics Residential, Recreational, Natural

Chemical Assessment Measurement(s)

Air Temperature (°C) 16.0
Water Temperature (°C) 17.0
Nitrate Nitrogen (ppm) 0.001
Phosphates (ppm) 0.2
pH 7.5
Turbidity (JTU) 5.0
Dissolved Oxygen (ppm) 10.0
Salinity (ppt) 0.001


Macroinvertebrates


Plecoptera (Stoneflies) 1
Ephemeroptera (Mayflies) 3
Trichoptera (Non-net-spinning caddisflies) 1
Megaloptera (Dobsonflies, fishflies, and alderflies) Unknown
Elmidae (Riffle beetles larvae/adults) 2
Psephenidae (Water pennies) Unknown
Prosobranchia (Right-handed/gilled snails) Unknown
Athericidae (Aquatic snipe flies) Unknown
Zygoptera (Damselflies) 1
Anisoptera (Dragonflies) Unknown
Isopoda (Aquatic sow bugs) 1
Amphipoda (Scuds) 1
Tipulidae (Crane flies) 1
Bivalvia (Clams/mussels) Unknown
Decapoda (Crayfish) Unknown
Hydropsychidae (Net-spinning caddisflies) 2
Chironomidae (Midges) 1
Simuliidae (Black flies) Unknown
Turbellaria (planarians) 1
Hirudinea (leeches) Unknown
Archaeopulmonata (Left-handed/lunged snails) Unknown
Oligochaeta (Aquatic worms) 1
Syrphidae (Rat-tailed maggots) Unknown

Site Photo(s)