Description of Site: This site is the farthest north and closest to the in-coming Verde River. It represents the riverine zone.
Physico-chemical Parameters 2/3/00
| Time | Depth (m) | Temp (C) | DO (ppm) | DO (%sat) | pH | SpCond. | Turbidity (NTU's) |
| 1045 | 0 | 10.44 | 10.4 | 93.4 | 8.74 | 482 | 41.3 |
| Depth (m) | Total Phos. (ppm) | Orthophos. (ppm) | Nitrate (ppm) | Ammonia (ppm) | Total N (ppm) | Dissolved Fe (ppm) | Total Fe (ppm) | Chl a (mg/m3) | Pheophytin a (mg/m3) |
| 0 | 0.09 | 0 | 0 | 0.07 | 0.8 | 0.104 | 1.2 | 0.5 | 0.336 |
| Depth (m) | Chloride (ppm) | Sulfate (ppm) | Total Mn (ppm) | Diss. Mn (ppm) | Silica (ppm) | TSS (ppm) |
| 0 | 22.8 | 58.8 | 0.032 | 0 | 22.8 | 29.7 |
Secchi
Depth: 0.36 m
Phytoplankton
| Division | Genus | Units/mL |
| Chrysophyta | Cymbella | 80 |
| Chlorophyta | Ulothrix | 80 |
| Cyanophyta | Aphanocapsa | 80 |
| Chlorophyta | Thoracomonas | 640 |
| Chlorophyta | Ankistrodesmus | 160 |
| Chrysophyta | Pinnularia | 160 |
| Chrysophyta | Acnanthes | 240 |
| Chrysophyta | Navicula | 160 |
| Chrysophyta | Cocconeis | 160 |