Salt River Near Highway 288

Description of Site: This site is the highest point in the watershed to be sampled along the Salt River. Sampling will occur just below the diversion dam. Prior to entering Roosevelt Lake, it is unaffected by any reservoir processes.

7/26/00
Flow: 115 cfs

Physico-chemical Parameters
Time Turbidity (NTU's) Temp (C) DO (ppm) DO (% sat.) pH TDS Ammonia (mg/l) Nitrate (mg/l) Ortho-P (mg/l) Sulfate (mg/l) Dissolved Fe (mg/l) Dissolved Mn (mg/l) Chloride (mg/l)
0830 35 28 9.35 108.7 8 420 0.16 0.7 0.12 175 0.26 0.05 1600

 
TSS (mg/l) Silica (mg/l) TKN (mg/l) Total P (mg/l) Total Fe (mg/l) Total Mn (mg/l) CDOM (mg/m3) MIB (ng/l) Geosmin (ng/l) Chl a (mg/m3) Pheophytin a (mg/m3)
96.7 18.2 0.6 0.20 3.60 0.17 0.581 <2 <2 4.492 2.932

  Phytoplankton
Division Genus Units/ml
Chlorophyta Microspora 640
Chrysophyta Amphiprora 320
Euglenophyta Phacus 560
Euglenophyta Trachelomonas 1520
Pyrrophyta Gymnodinium 480

Periphyton
Division Genus Units/cm2
Cyanophyta Lyngbya 2109
Cyanophyta Microchaete 317
Chlorophyta Cladophora 4004
Chlorophyta Pseudendoclonium 436
Chrysophyta Fragilaria 11,644
Chrysophyta Diatoma 8572
Chrysophyta Melosira 24,660
Chrysophyta Pinnularia 13,678
Chrysophyta Cymbella 6018
Chrysophyta Pleurosigma 1302
Chrysophyta Amphiprora 789
Chrysophyta Achnanthes 2300

Aquatic Macro-invertebrates (Presence/Absence)
Order Family Genus
Ephemeroptera Baetidae Baetodes
Ephemeroptera Heptageniidae Rhithrogena
Megaloptera Corydalidae Corydalus

Results from 6/20/00