StreamWatch Assessment Details at EMS_Brook
General Information

Investigator #1 Rita Papagian (The Watershed Institute)
Investigator #2 None
Assessment Date April 27, 2026
Assessment Time 11:15 a.m.
Assessment Type(s) StreamWatch Schools

Weather Condition and Visual Assessment

Current Weather Sunny, 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 Moderate/Ripples
Surface Coating None, Foam
Aquatic Vegetation Amount Scarce
Aquatic Vegetation Type Submergent, Floating
Algae Amount Abundant
Algae Type Biofilm, Filamentous, Floating

Simple Habitat Assessment

Woody Debris Amount Moderate
Woody Debris Type Free-floating
Tree Canopy Closed (75%-100%)
Land Use Characteristics Natural, Residential

Chemical Assessment Measurement(s)

Air Temperature (°C) 20.0
Water Temperature (°C) 14.0
Nitrate Nitrogen (ppm) 7.0
Phosphates (ppm) 2.5
pH 7.5
Turbidity (JTU) Unknown
Dissolved Oxygen (ppm) 8.0
Salinity (ppt) 6.0


Macroinvertebrates


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

1- Water strider

Site Photo(s)


General Comments and Site Observations

Average between 2 sample groups.