Milford. Commerce. Pinckney. South Lyon. Hamburg. Dexter. Chelsea. Ann Arbor. Ypsilanti. Belleville. Flat Rock. Big Lake.

Transcription

1 Big Lake Milford Commerce Commerce Lake Pinckney Hamburg South Lyon Dexter Baseline (Flook) Dam Chelsea Barton Impoundment Ann Arbor Ypsilanti French Landing Dam Belleville N Flat Rock W E Lake Erie S Figure 1. The Huron River watershed in Southeastern Michigan. The major reaches of the Huron River mainstem. Reach #1 - Big Lake to Commerce Lake; Reach #2 - Commerce Lake to Baseline (Flook) Dam; Reach #3 - Baseline (Flook) Dam to Barton Impoundment; Reach #4 - Barton Impoundment to French Landing Dam; Reach #5 - French Landing Dam to Lake Erie. 116

2 Belleville Geddes Superior Peninsula Ford Barton Argo Commerce Impoundment Kent Lake Milford Elevation above sea level in feet (thousands) 0.60 Flat Rock Mouth River mile Headwaters Figure 2. Elevation changes, by river mile, from the headwaters to the mouth of the Huron River. Major mainstem dams and the impoundments they create are shown. 117

3 Spawning habitat migrations migrations Refuge habitat daily winter drought migrations Feeding and growth habitat Figure 3. The basic life cycle of stream fish with respect to habitat use (modified from Schlosser 1991). 118

4 Milford Commerce Pinckney Hamburg South Lyon Dexter Chelsea Ann Arbor Ypsilanti Belleville N Flat Rock W S E Lake Erie Figure 4. Approximate locations of dams in the Huron River watershed. 119

5 No Storage With Storage Discharge (cubic feet per second) 0 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Months Figure 5. Median monthly Huron River discharge from Kent Lake, with and without the effect of Kent Lake reservoir. 120

6 6.0 Commerce Ann Arbor Hayes Creek S. Ore Creek Portage Creek Mill Creek Au Sable Percent exceedence median flow Standardized discharge (Q / 50%Q) Figure 6. Standardized high flow exceedence curves for the mainstem Huron River at Commerce and Ann Arbor and for four major tributaries. Information from US Geological Survey gauge stations for period of record. Q is the discharge; 50%Q is the median discharge. 121

7 Au Sable 0.6 Commerce Ann Arbor Hayes Creek S. Ore Creek Portage Creek Standardized discharge (Q / 50%Q) median flow Mill Creek Percent exceedence Figure 7. Standardized low flow exceedence curves for the mainstem Huron River at Commerce and Ann Arbor and for four major tributaries. Information from US Geological Survey gauge stations for period of record. Q is the discharge; 50%Q is the median discharge. 122

8 4.0 Commerce Milford New Hudson Hamburg Dexter Ann Arbor Ypsilanti Standardized discharge (Q / 50%Q) Au Sable Percent exceedence median flow Figure 8. Standardized high flow exceedence curves for seven locations on the Huron River. Information from US Geological Survey gauge stations for period of record. Q is the discharge; 50%Q is the median discharge. 123

9 Au Sable 0.6 Commerce Milford New Hudson Hamburg Dexter Standardized discharge (Q / 50%Q) median flow Ann Arbor Ypsilanti Percent exceedence Figure 9. Standardized low flow exceedence curves for seven locations on the Huron River. Information from US Geological Survey gauge stations for period of record. Q is the discharge; 50%Q is the median discharge. 124

10 US Geological Survey gauging station Ratio Classes > 10.1 very good good fair poor Milford Commerce Pinckney Hamburg South Lyon Dexter Chelsea 9.3 Ann Arbor Ypsilanti 6.61 Belleville N Flat Rock W E Lake Erie S Figure 10. Flow stability patterns in the Huron River watershed, calculated from miscellaneous and short-time frame data from the US Geological Survey. Specific ratios for each gauge station are indicated. 125

11 Low monthly flow yield High monthly flow yield Ratio of high monthly flow yield : low monthly flow yield Huron Commerce Huron Milford Huron New Hudson South Ore Creek near Brighton Huron R. near Hamburg Portage Ck. near Pinckney Huron R. near Dexter Mill Ck. near Dexter Huron Ann Arbor Huron Ypsilanti N. Br. Kawkawlin River near Kawkawlin White White Hall Au Sable Grayling Figure 11. Low and high monthly flow yields and their ratios for 10 sites in the Huron River watershed and the north branch of the Kawkawlin River, the White River, and the Au Sable River. Solid symbols indicate trout stream. 126

12 Cubic feet per second Hour Figure 12. Daily discharge patterns at Ann Arbor, downstream of Argo Dam, for March 21-22, 1990 (data from US Geological Survey) illustrating flow instability at this location. Straight line is the two-day average discharge at this gauge. 127

13 Gradient (feet per mile) Mouth River mile Headwaters Figure 13. Gradient (elevation change in feet per mile) of the Huron River. Gradient is shown without existing dams or lake-level control structures. 128

14 Great Lakes Hydro Impoundment River River miles Gradient class (ft/mi) Figure 14. Gradient classes and length of river in each, separated by water type, for the Huron River. 129

15 Impoundment Flowage River River miles Gradient class (ft/mi) Figure 15. Gradient classes and length of river in each, separated by water type, for the Huron River mainstem from Big Lake to Commerce Lake. 130

16 Impoundment River River miles Gradient class (ft/mi) Figure 16. Gradient classes and length of river in each, separated by water type, for the Huron River mainstem from Commerce Lake to Baseline (Flook) Dam. 131

17 River River miles Gradient class (ft/mi) Figure 17. Gradient classes and length of river in each, separated by water type, for the Huron River mainstem from Baseline (Flook) Dam to Barton Impoundment. 132

18 Hydro Impoundment River River miles Gradient class (ft/mi) Figure 18. Gradient classes and length of river in each, separated by water type, for the Huron River mainstem from Barton Impoundment to French Landing Dam. 133

19 Great Lakes Impoundment River River miles Gradient class (ft/mi) Figure 19. Gradient classes and length of river in each, separated by water type, for the Huron River mainstem from French Landing Dam to Lake Erie. 134

20 Metro Park State Recreation Area State Game Area Highland Indian Springs Pontiac Lake Huron Meadows Island Lake Unadilla Pinckney Gregory Brighton Milford Pinckney Proud Lake South Lyon Kensington Hudson Mills Dexter Ann Arbor Lower Huron Ypsilanti Waterloo Chelsea Dexter-Huron Delhi Belleville N Willow Flat Rock W E Oakwoods Lake Erie S Point Mouillee Figure 20. State of Michigan and Huron-Clinton Metropolitan Authority lands in the Huron River watershed. 135

21 Pontiac Lake Milford Kent Lake Stocked trout fishery Proud Lake Dexter Hudson Mills - Delhi Smallmouth bass fishery Barton Argo Geddes Superior Ann Arbor Ypsilanti Ford Belleville Angler days per year 100,000 50,000 Belleville *(Following rotenone + restocking) Flat Rock 10,000 Potamodromous fishery downstream of Flat Rock Figure 21. Fishing pressure along the Huron River. Data from Michigan Department of Natural Resources, Fisheries Division, creel census. 136

22 17, 43, 69, 73, 75, 76 Milford Commerce , 62, 74 Pinckney , 26 3, 15, 41 Hamburg South Lyon 50 8, 22, 59 Dexter 20, 31, 33, 37, 60, Chelsea 14, 16, 39, Ann Arbor 57 6, 13, 19, 32, 35, 42, 44, 48, 54, 64, 67, 71, 72, 78, 79, 80 Ypsilanti 7, 9, 10, 11, 34, 45, 51, 52, 66, 68 12, 29, 30, 40 Belleville N , 27, 47, 49 Flat Rock W E , 18, 28, 36 Lake Erie S Figure 22. Locations of point source discharges subject to National Pollution Discharge Elimination System (NPDES) permits. Numbers correspond to the companies listed in Table

23 Second quality cold water Top quality warmwater Second quality warmwater Milford Commerce Pinckney Hamburg South Lyon Dexter Chelsea Ann Arbor Ypsilanti Belleville N Flat Rock W E Lake Erie S Figure 23. Fisheries Division, Michigan Department of Natural Resources, stream classifications, 138