StreamWatch Assessment Details at EMS_Brook
General Information

Investigator #1 Rita Papagian (The Watershed Institute)
Investigator #2 None
Assessment Date May 5, 2026
Assessment Time 1:45 p.m.
Assessment Type(s) StreamWatch Schools

Weather Condition and Visual Assessment

Current Weather Sunny
Time Since Last Rain or Snowmelt 24-48 hours ago
Water Color Clear
Water Odor Normal, Other
Water Odor Other Description smelled like salty water/ocean
Turbidity Unknown
Water Movement Moderate/Ripples
Surface Coating None, Foam, Scum
Aquatic Vegetation Amount Scarce
Aquatic Vegetation Type Submergent
Algae Amount Abundant
Algae Type Biofilm, Filamentous

Simple Habitat Assessment

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

Chemical Assessment Measurement(s)

Air Temperature (°C) Unknown
Water Temperature (°C) Unknown
Nitrate Nitrogen (ppm) 12.5
Phosphates (ppm) 4.0
pH 8.0
Turbidity (JTU) 9.0
Dissolved Oxygen (ppm) 11.0
Salinity (ppt) 6.5


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) 3
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) 7
Syrphidae (Rat-tailed maggots) Unknown

1 tubifex worm* 1 seed and clam shrimp 1 flatworm* 1 earth worm* * included in oligochaeta count

Site Photo(s)


General Comments and Site Observations

Data is the average between 2 sampling groups. We did not have a thermometer with us this sampling.