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.
Physico-chemical Parameters 8/31/99
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) |
0950 | 1.9 | 24.7 | 9.8 | 124.9 | 8.2 | 725 | 0.018 | ND | ND | 55.6 | 0.026 | 0.02 | 312 |
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 | 13.9 | 1 | 0.049 | 0.05 | 0.05 | 3.18 | 3.25 | 0.058 | 0.836 | 0.712 |
Phytoplankton
Division | Genus | Units/mL |
Chlorophyta | Haematococcus | 80 |
Chrysophyta | Dinobryon | 80 |
Chrysophyta | Melosira | 160 |
Chrysophyta | Navicula | 80 |
Chrysophyta | Pinnularia | 80 |
Chrysophyta | Synedra | 400 |
Euglenophyta | Lepocinclus | 80 |
Periphyton
Division | Genus | Units/cm2 |
Cyanophyta | Anabaena | 11,880 |
Cyanophyta | Holopedium | 440 |
Cyanophyta | Lyngbya | 11,000 |
Cyanophyta | Nodularia | 880 |
Chlorophyta | Chlamydomonas | 2200 |
Chlorophyta | Crucigenia | 880 |
Chlorophyta | Polytoma | 3080 |
Chlorophyta | Ulothrix | 1320 |
Chrysophyta | Amphora | 1320 |
Chrysophyta | Cocconeis | 440 |
Chrysophyta | Diatomella | 1760 |
Chrysophyta | Cymbella | 14,960 |
Chrysophyta | Fragilaria | 12,760 |
Chrysophyta | Gomphonema | 2640 |
Chrysophyta | Gyrosigma | 440 |
Chrysophyta | Melosira | 21,120 |
Chrysophyta | Navicula | 5720 |
Chrysophyta | Nitzchia | 3960 |
Chrysophyta | Pinnularia | 7480 |
Chrysophyta | Synedra | 31,680 |
Euglenophyta | Trachelomonas | 2200 |
Aquatic
Macro-Invertebrates (Presence/Absence)
ND