Verde River at Mesquite Flat Campground (V2)

Description of Site: This site is apporximately 0.75 miles below Horseshoe Dam and represents water conditions between Horseshoe and Bartlett Lakes.
GPS Coordinates: 330 57.70 N   111 42.77 W

1/4/00
Flow: 285 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)
1305 8.7 8.8 13.63 160.8 8.33 325 ND ND ND 69.6 0.0475 ND 25.2

 
TSS (mg/l) Silica (mg/l) Total N (mg/l) Total P (mg/l) Total Fe (mg/l) Total Mn (mg/l) Chl a (mg/m3) Pheophytin a (mg/m3)
9.05 21 0.85 0.13 0.57 0.034 5.812 3.56

Phytoplankton
Division Genus Units/mL
Cyanophyta Anabaenopsis 240
Cyanophyta Lyngbya 480
Cyanophyta Dictyosphaerium 240
Chlorophyta Chlamydomonas 320
Chlorophyta Cosmarium 560
Chlorophyta Haematococcus 400
Chlorophyta Crucigenia 240
Chrysophyta Amphipleura 480
Chrysophyta Amphiprora 240
Chrysophyta Diatoma 320
Chrysophyta Gyrosigma 480
Chrysophyta Melosira 160

Periphyton
Division Genus Units/cm2
Cyanophyta Lyngbya 69,324
Cyanophyta Anabaena 326
Chlorophyta Cladophora 85,688
Chlorophyta Ochromonas 1892
Chrysophyta Acnanthes 11,468
Chrysophyta Cymbella 38,364
Chrysophyta Diatoma 19,328
Chrysophyta Diploneis 21,867
Chrysophyta Gomphonema 54,204
Chrysophyta Gyrosigma 3444
Chrysophyta Melosira 17,200
Chrysophyta Navicula 68,350

Aquatic Macro-Invertebrates (Presence/Absence)
Order Family Genus
Hirudinae Rhynchobdellida Helobdella
Amphipoda Gammaridae Gammarus
Ephemeroptera Heptageniidae Heptagenia
Trichoptera Polycentropodidae Polyplectropus
Trichoptera Hydropsychidae Hydropsyche

Results from 11/2/99