Description of Site: This site is just North and approximately 0.5 km in front of Horseshoe Dam. It represents the lacustrine zone.
Physico-chemical Parameters 9/8/99
| Time | Depth (m) | Temp (C) | DO (ppm) | DO (%sat) | pH | SpCond. | Turbidity (NTU's) |
| 1410:34 | 0 | 30.33 | 6.32 | 87 | 8.96 | 692 | 0 |
| 1410:09 | 2.1 | 27.08 | 6.06 | 78.8 | 8.96 | 646 | 5.6 |
| 1409:37 | 4 | 26.86 | 4.71 | 61 | 8.83 | 646 | 6 |
| 1408:52 | 6 | 26.81 | 1.83 | 23.7 | 8.52 | 650 | 8.2 |
| 1408:14 | 7.7 | 26.65 | 0.67 | 8.6 | 8.3 | 657 | 9.8 |
| 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 | 0.023 | ND | ND | 0.018 | 2 | 0.040 | 0.11 | 15.372 | 8.108 |
| 4 | 0.025 | ND | ND | 0.015 | 2 | 0.046 | 0.19 | 16.007 | 7.809 |
| 8 | 0.042 | ND | ND | 0.010 | 1 | 0.056 | 0.30 | -------------- | --------------- |
| Depth (m) | Chloride (ppm) | Sulfate (ppm) | Total Mn (ppm) | Diss. Mn (ppm) | Silica (ppm) | TSS (ppm) | TOC (ppm) | DOC (ppm) | UV254 (cm-1) |
| 0 | 24.9 | 56.4 | 0.02 | 0.02 | 23.1 | 0 | 3.34 | 3.32 | 0.0776 |
| 4 | 24.5 | 56.5 | 0.03 | 0.02 | 17.8 | 2 | ------------- | ------------- | -------------- |
| 8 | 24.3 | 56.8 | 0.05 | 0.02 | 23.1 | 11 | -------------- | -------------- | -------------- |
Secchi Depth: 0.96 meters
Phytoplankton
(0.5
meters)
| Division | Genus | Units/ml |
| Cyanophyta | Anabanopsis | 2160 |
| Cyanophyta | Merismopedia | 2160 |
| Cyanophyta | Raphidiopsis | 1680 |
| Cyanophyta | Spirulina | 240 |
| Chlorophyta | Ankistrodesmus | 720 |
| Chlorophyta | Chlorella | 4080 |
| Chlorophyta | Diogenes | 240 |
| Chlorophyta | Microspora | 38,160 |
| Chrysophyta | Cyclotella | 240 |
| Chrysophyta | Diatoma | 720 |
| Chrysophyta | Nitzchia | 1200 |
Phytoplankton
(4
meters)
| Division | Genus | Units/ml |
| Cyanophyta | Anabaenopsis | 320 |
| Cyanophyta | Merismopedia | 2080 |
| Cyanophyta | Raphidiopsis | 1280 |
| Cyanophyta | Spirulina | 800 |
| Chlorophyta | Ankistrodesmus | 80 |
| Chlorophyta | Chlamydomonas | 80 |
| Chlorophyta | Chlorella | 1920 |
| Chlorophyta | Crucigenia | 320 |
| Chlorophyta | Microspora | 31,360 |
| Chlorophyta | Ulothrix | 160 |
| Chrysophyta | Diatoma | 1120 |
| Chrysophyta | Cymatopleura | 160 |
| Euglenophyta | Phacus | 80 |
Zooplankton
| Order | Suborder | Genus | #/m3 |
| Cladocera | Bosminidae | Bosmina | 6.68 |
| Cladocera | Chydoridae | Chydorus | 14.32 |
| Copepoda | Cyclopoida | Mesocyclops | 8.59 |