Description of Site: The closest to the tailwaters of Stewart Mtn. Dam, this site is the most representative of water conditions immediately leaving the Salt River reservoir system.
6/12/00
Flow:
950 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) |
0705 | 0.4 | 19.9 | 7.76 | 86.1 | 7.9 | 820 | 0.05 | 0.12 | ND | 54.6 | ND | ND | 323 |
TSS (mg/l) | Silica (mg/l) | Total N (mg/l) | Total P (mg/l) | Total Fe (mg/l) | Total Mn (mg/l) | TOC | DOC | UV254 | Chl a (mg/m3) | Pheophytin a (mg/m3) |
ND | 15.8 | 1.0 | 0.09 | 0.031 | 0.014 | 4.82 | 3.16 | NS | 0.732 | 0.508 |
Phytoplankton
Division | Genus | Units/mL |
Cyanophyta | Gomphosphaeria | 240 |
Cyanophyta | Holopedium | 80 |
Chrysophyta | Synedra | 320 |
Chrysophyta | Epithemia | 80 |
Periphyton
Division | Genus | Units/cm2 |
Chlorophyta | Cladophora | 304,509 |
Chlorophyta | Draparnaldia | 52,117 |
Chlorophyta | Gongrosira | 18,412 |
Chlorophyta | Ulothrix | 61,855 |
Chrysophyta | Cocconeis | 58,411 |
Chrysophyta | Cymbella | 424,567 |
Chrysophyta | Diatoma | 10,056 |
Chrysophyta | Fragilaria | 34,544 |
Chrysophyta | Melosira | 8508 |
Chrysophyta | Navicula | 154,311 |
Chrysophyta | Terpsinoe | 33,493 |
Aquatic Macro-invertebrates (presence/absence)
Order | Family | Genus |
Diptera | Simuliidae | Simulium |
Plecoptera | Acroneuriinae | Acroneura |
Trichoptera | Helicopsychidae | Helicopsyche |
Trichoptera | Hydropsychidae | Hydropsyche |