StreamWatch Assessment Details at PDS-stony brook
General Information

Investigator #1 Aaron Schomburg (individual_org_account_1427)
Investigator #2 Aaron Schomburg (individual_org_account_1427)
Assessment Date May 6, 2024
Assessment Time 1:30 a.m.
Assessment Type(s) StreamWatch Schools

Weather Condition and Visual Assessment

Current Weather Partly cloudy
Time Since Last Rain or Snowmelt 24-48 hours ago
Water Color Clear
Water Odor Normal
Water Odor Other Description N/A
Turbidity Unknown
Water Movement Slow/Still
Surface Coating None
Aquatic Vegetation Amount Scarce
Aquatic Vegetation Type Emergent
Algae Amount Scarce
Algae Type Filamentous

Simple Habitat Assessment

Woody Debris Amount Scarce
Woody Debris Type Attached
Tree Canopy Mostly Open (25-50%)
Land Use Characteristics Natural

Chemical Assessment Measurement(s)

Air Temperature (°C) 24.4
Water Temperature (°C) 22.0
Nitrate Nitrogen (ppm) Unknown
Phosphates (ppm) Unknown
pH Unknown
Turbidity (JTU) Unknown
Dissolved Oxygen (ppm) Unknown
Salinity (ppt) Unknown


Macroinvertebrates


Plecoptera (Stoneflies) 2
Ephemeroptera (Mayflies) 5
Trichoptera (Non-net-spinning caddisflies) Unknown
Megaloptera (Dobsonflies, fishflies, and alderflies) Unknown
Elmidae (Riffle beetles larvae/adults) 1
Psephenidae (Water pennies) 1
Prosobranchia (Right-handed/gilled snails) 7
Athericidae (Aquatic snipe flies) Unknown
Zygoptera (Damselflies) Unknown
Anisoptera (Dragonflies) Unknown
Isopoda (Aquatic sow bugs) 3
Amphipoda (Scuds) 63
Tipulidae (Crane flies) 2
Bivalvia (Clams/mussels) Unknown
Decapoda (Crayfish) 2
Hydropsychidae (Net-spinning caddisflies) Unknown
Chironomidae (Midges) Unknown
Simuliidae (Black flies) Unknown
Turbellaria (planarians) Unknown
Hirudinea (leeches) 3
Archaeopulmonata (Left-handed/lunged snails) 6
Oligochaeta (Aquatic worms) 4
Syrphidae (Rat-tailed maggots) Unknown

The crayfish were all very young and small around an inch long

Site Photo(s)


General Comments and Site Observations

Leaf Packet was placed for 2 weeks in a shallow eddy. Water levels fluctuated quite a bit during this time.