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Water Quality Monitoring - 1974 Archive

During the summer of 1974 Art Johnson (a graduate student at Cornell) did a survey of the streams draining into Cayuga Lake. For the most part the summer was normal and flow in Fall Creek at Forest Home ranged from 15 to 75 cubic feet per second (cfs). Based on daily flow data 1968-1993, these flows would be exceeded between 60 to 95% of the time. Most of the flow is derived from aquifers and hence the NO3-N concentrations are largely from aquifers but probably are decreased by denitrification and aquatic plant uptake to some extent in the streams. Based on extensive data from Fall Creek, concentrations in excess of 2 parts per millions (ppm) are probably influenced by point sources.

There are 2 fractions of dissolved phosphorus (P). Briefly, the samples were filtered through 0.2 micron filter. One sub sample of the filtrate was analysed for inorganic P and designated MRP. The organic matter in another subsample of the filtrate was oxidized with persulfate and analyzed for inorganic P; the results are designated as TDP. Concentrations of P in excess of about 0.1 ppm are probably the result of point sources such as milkhouse wastes, leaky on-site sewage disposal, gray water, and effluent from sewage treatment plants.

Data and introduction provided by Dr. David Bouldin, Professor Emeritus, Cornell University.
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Fall Creek Watershed Committee
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Fall Creek Committee Minutes
Water Quality Monitoring Archive
Date (m/d/y) Alk (me/l) NO3_N (ppm) MRP (ppb) TDP (ppb) NH4_N (ppm) Fall Creek at Forest Home: Flow (cfs) Fall Creek at Forest Home: % of days flow exceed
Cayuga Inlet at Cass Park
7/25/74 2.56 0.45 38 72 0.22 48 66
8/14/74 2.34 0.52 75 90 0.33 15 95
10/8/74   0.63 175 204 1.29 74 60
10/28/74   0.55 578 500 3.5 55 64
Williams Brook at Rt 34
7/25/74 3.02 1.24 164 203 0 48 66
8/14/74 3.52 0.41 343 310 0.15 15 95
10/8/74   1.00 119 225 0.11 74 60
10/28/74   0.18 96 13 0 55 64
Indian Creek at Rt 89
7/25/74 3.24 1.56 40 54 0.014 48 66
10/8/74   1.11 35 39 0.15 74 60
10/28/74   0.41 15 41 0.15 55 64
Glenwood Creek at Rt 89
7/23/74 3.37 0.45 19 204 0 21 90
8/14/74 3.28 0.37 25 27 0.11 15 95
10/8/74   1.00 18 26 0.15 74 60
10/28/74   0.70 10 20 0.11 55 64
Willow Creek at Rt 89
7/23/74 3.70 0.52 30 136 0 21 90
8/14/74 3.73 0.44 26 27 0.22 15 95
10/8/74   0.37 12 22 0.07 74 60
10/28/74   0.04 8 17 0.04 55 64
Taughanock Creek at Rt 89
7/23/74 2.54 0.14 4 72 0 21 90
8/14/74 2.48 0.18 6 15 0.22 15 95
10/8/74   0.04 7 15 0 74 60
10/31/74   0.18 3 23 0.04 48 63
Renwick Brook at Rt 34
7/25/74 3.15 0.66 38 46 0 48 66
8/14/74 4.04 0.55 36 26 0.11 15 95
10/8/74   0.18 15 26 0 74 60
10/28/74   0.07 11 19 0 55 64
Fall Creek at Lake Street
7/22/74 2.53 0.35 13 76 0 21 90
10/8/74   0.37 12 25 0.074 74 60
10/28/74   0.30 15 23 0 55 64
Trumansburg Creek at Rt 89
10/8/74   2.84 1085 1150 2.66 74 60
10/31/74   2.88 1225 1120 2.36 48 63
Canoga Creek at Rt 89
7/24/74 3.91 0.23 35 58 0 58 65
8/15/74 4.58 0.44 19 24 0 15 95
10/9/74   0.22 27 41 0.18 65 67
10/31/74   0.11 21 33 0.18 48 63
Gulf Creek at Rt 34
7/25/74 2.34 0.66 18 60 0 48 66
10/9/74   0.33 9 17 0.11 65 67
10/31/74   0.00 7 19 0 48 63
Sheldrake (upstream from farm drain)
10/9/74   2.99 9 22 0 65 67
10/31/74   2.95 7 20 0.11 48 63
Sheldrake (downstream from farm drain)
10/9/74   2.20 119 230 0 48 66
Great Gully
7/25/74 3.80 2.34 21 38 0.06 15 95
8/15/74 3.64 1.73 6 13 0.15 65 67
10/9/74   1.62 1 12 0.11 48 63
10/31/74   1.00 4 15 0.11 48 66
Yawger Creek
7/25/74 4.38 0.49 14 36 0.13 15 95
8/15/74 4.52 0.22 9 13 0.07 65 67
10/9/74   0.07 8 13 0.07 48 63
10/31/74   0.11 11 13 0.15 48 66
Cayuga Outlet
7/25/74 1.58 0.14 1 32 0.23 15 95
8/15/74 1.57 0.18 2 21 0.59 65 67
10/9/74   0.33 3 45 0.3 48 63
10/31/74   0.18 10 23 0.48 48 66
Salmon Creek
7/25/74 3.72 1.67 20 33 0 15 95
8/15/74 3.94 0.44 1 13 0.04 65 67
10/9/74   1.55 8 12 0.07 48 63
10/31/74   1.48 6 30 0 48 66
Seneca River
7/25/74 1.85 0.13 40 66 0.33 15 95
8/15/74 1.66 0.26 28 37 0.78 65 67
10/9/74   0.26 37 59 0.81 48 63
10/31/74   0.15 40 59 1.14 48 66
Paines Creek above sewage plant
7/25/74 3.13 5.85 665 820 0.014 65 67
10/9/74   4.13 7 55 0.15 48 63
10/31/74   2.36 6 19 0.04 48 66
Stream 68 at lake shore, Interlaken
7/25/74 6.76 5.42 2100 2110 1.38 15 95
8/15/74 6.02 9.96 2520 2000 0.22 65 67
10/9/74   9.96 2730 2300 2.47 48 63
10/31/74   6.75 3150 3200 4.68 65 67
68a above 219
8/21/74 6.00 10.70 2415 2580 2.54 21 92
68b above 221
8/21/74 9.64 0.59 6300   36.11 21 92
68c above 222
8/21/74 5.90 0.07 350 300 0.074 21 92
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