Description of Site: This site is approximately 8 river miles above Horseshoe Lake. It is the uppermost site sampled along the Verde River and is unaffected by any reservoir processes.
Physico-chemical Parameters 11/3/99
| 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) |
| 1545 | 2.2 | 17.5 | 11.63 | 121.7 | 7.26 | 353 | 0.12 | 0.1 | 0 | 71.6 | 0.011 | 0 | 25.9 |
| 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) |
| 0 | 23.2 | 0.62 | 0.01 | 0.033 | 0 | 1.45 | 1.27 | 0 | 0.31 | 0.24 |
Phytoplankton
| Division | Genus | Units/mL |
| Chlorophyta | Chlorococcum | 160 |
| Chlorophyta | Elakatothrix | 160 |
| Chrysophyta | Gyrosigma | 160 |
| Chrysophyta | Navicula | 80 |
Periphyton
| Division | Genus | Units/cm2 |
| Cyanophyta | Anabaena | 911 |
| Cyanophyta | lynngbya | 6378 |
| Chlorophyta | Cladophora | 30,067 |
| Chlorophyta | Microspora | 2733 |
| Chlorophyta | Polytoma | 16,400 |
| Chrysophyta | Caloneis | 6378 |
| Chrysophyta | Cocconeis | 34,622 |
| Chrysophyta | Gomphonema | 1822 |
| Chrysophyta | Pinnularia | 3644 |
| Chrysophyta | Stauroneis | 4555 |
| Euglenophyta | Euglena | 911 |
| Euglenophyta | Trachelomonas | 3644 |
Aquatic
Macro-Invertebrates (Presence/Absence)
| Order | Family | Genus |
| Ephemeroptera | Heptageniidae | Heptagenia |
| Ephemeroptera | Ephemerellidae | Caudatella |
| Hemiptera | Naucoridae | Ambrysus |