Data last published 01/18/2022 09:50 AM
Note: Congaree and Wateree river inflows takes 3-5 days to reach Lake Marion.

The projected times of operation below are subject to change depending upon electrical system and lake management requirements.

Tentative Jefferies Hydro Discharge Times

Date Start Time End Time
1/18/2022 6 AM Midnight
1/19/2022 Midnight 10 AM
1/20/2022 2 AM 10 AM

Tentative St. Stephen Discharge Times

Date Start Time End Time
1/18/2022 5 AM 11 PM
1/19/2022 2 AM 9 AM
1/20/2022 4 AM 10 AM

USGS Data Links

Lake Elevations

Date Lake Marion Elevation Lake Moultrie Elevation Rule Curve Elevation
1/17/2022 73.61 73.45 72.50
1/16/2022 73.72 73.35 72.43
1/15/2022 73.40 73.20 72.37
1/14/2022 73.42 73.15 72.32
1/13/2022 73.46 72.94 72.28
1/12/2022 73.55 72.80 72.25
1/11/2022 73.61 72.63 72.23

Daily Lake Discharges

Date Jefferies Hydro St Stephen Hydro Spillway Hydro Spilling
1/20/2022 4500 0 650 0
1/19/2022 4500 0 650 0
1/18/2022 4500 6331.43 650 0
1/17/2022 4666.66 5260.72 636.38 0
1/16/2022 4536.50 3283.87 631.78 0
1/15/2022 4338.25 2552.95 630.64 0
1/14/2022 4001.16 2533.58 631.79 0
7-Day Average 4385.64 3407.78 632.65 0

Upstream River Flows

Date Broad River @ Alston Saluda River @ River Banks Zoo Congaree Inflow @ Columbia Wateree Inflow @ Camden
1/17/2022 3300.52 1488.75 6321.35 5786.56
1/16/2022 4506.56 1746.88 7691.25 3690.42
1/15/2022 4219.48 1220 5265.94 3633.23
1/14/2022 3385.31 1222.29 5534.79 4175.52
1/13/2022 4683.65 1231.88 6033.54 3003.23
1/12/2022 3082.29 1536.15 5005.52 4235.94
1/11/2022 2589.90 1272.71 4433.33 5341.67
7-Day Average 3681.1 1388.38 5755.1 4266.65

Estimated Lake Marion Inflows

Date Santee Cooper
1/18/2022 9733.66
1/19/2022 10775.53
1/20/2022 11225.99
1/21/2022 10638.56
1/22/2022 10051.72