Drawdown Summary
Below is our drawdown strategy and accomplishments, along with the drawdown data that was conducted in 2019.
Little Rock Lake Post Drawdown Summary 2022
| Survey: | 2005 | 2020 | 2021 |
|---|
| Total # Points Sampled | 322 | 322 | 234 |
| Vegetated depth range (ft) | 1.3-13.1 | 0.9-6.1 | 0.5-9.4 |
| Max Depth of Growth (95 percentile) in feet* | 7.7 | 5.6 | 7.3 |
| # Points in Max Depth Range (95 percentile) | 203 | 174 | 217 |
| # Points in Littoral (0-15 feet) | 311 | 311 | 217 |
| % Points w/ Submersed Native Taxa | 14% | 23% | 73% |
| Mean Submersed Native Taxa/ Point | 0.17 | 0.26 | 0.91 |
| # Submersed Native Taxa | 6 | 6 | 6 |
| # Submersed Non-Native Taxa | 1 | 1 | 1 |
| % Points w/ Non-Native Taxa | 44% | 28% | 65% |
| Sum of Station Total Fish Count | 2019 | 2022 | Grand Total |
|---|
| BIB (Bigmouth Buffalo) | 3 | 225 | 228 |
| BLB (Black Bullhead) | 0 | 0 | 0 |
| BLC (Black Crappie) | 71 | 284 | 355 |
| BLG (Bluegill) | 69 | 441 | 510 |
| BNT (Brown Trout) | 0 | 0 | 0 |
| BOF (Bowfin) (*Dogfish) | 12 | 11 | 23 |
| BRB (Brown Bullhead) | 1 | 0 | 1 |
| BUB (Burbot) | 0 | 0 | 0 |
| CAP (Common Carp) | 56 | 50 | 106 |
| CCF (Channel Catfish) | 18 | 1 | 19 |
| CSH (Common Shiner) | 0 | 1 | 1 |
| GOS (Golden Shiner) | 0 | 0 | 0 |
| HSF (Hybrid Sunfish) | 0 | 0 | 0 |
| LMB (Largemouth Bass) | 30 | 48 | 78 |
| NOP (Northern Pike) | 91 | 173 | 264 |
| PMK (Pumpkinseed Sunfish) | 0 | 1 | 1 |
| RKB (Rock Bass) | 0 | 10 | 10 |
| SHR (Shorthead Redhorse) | 31 | 1 | 32 |
| SLR (Silver Redhorse) | 57 | 0 | 57 |
| SMB (Smallmouth Bass) | 0 | 0 | 0 |
| SPO (Spottail Shiner) | 0 | 0 | 0 |
| TPM (Tadpole Madtom) | 0 | 0 | 0 |
| TRP (Trout Perch) | 0 | 5 | 5 |
| WAE (Walleye) | 13 | 18 | 31 |
| WHC (White Crappie) | 0 | 0 | 0 |
| WTS (White Sucker) | 104 | 114 | 218 |
| YEB (Yellow Bullhead) | 3 | 1 | 4 |
| YEP (Yellow Perch) | 23 | 307 | 330 |
| Grand Total | 582 | 1691 | 2273 |
