| Location: | LAT. 38-53-14, LONG. 90-11-2, NEAR LEFT BANK AT SITE OF OLD LOCK AND DAM 26 POOL AT MILE 203.0 ABOVE THE MOUTH OF THE OHIO RIVER. |
| Gage: | G.O.E.S. TELEMETERED DATA COLLECTION PLATFORM WITH PRESSURE TRANSDUCER. OWNED AND OPERATED BY ST. LOUIS DISTRICT, CORPS OF ENGINEERS. MAINTAINED IN CONJUNCTION WITH THE U.S. GEOLOGICAL SURVEY. |
| General Information: | DRAINAGE AREA, 171,500 SQUARE MILES. NOTE: MELVIN PRICE LOCK AND DAM REACHED MAXIMUM REGULATED POOL (419.0 FEET NGVD) ON 01 FEB 1990. |
| Records Available: | ELEVATION, MARCH 21, 1990 TO DATE, IN FILES OF CORPS OF ENGINEERS. |
| Mean Elev: | PERIOD OF RECORD, 418.50 FT . 01 JAN 1991 TO DATE, 418.52 FT . |
| Extreme Elev: | PERIOD OF RECORD, DAILY HIGH OF 439.55 FT ON 01 AUG 1993 & PERIOD OF RECORD, DAILY LOW OF 410.79 FT ON 21 MAR 1990 . 01 JAN 1991 TO DATE, DAILY LOW OF 412.80 FT ON 16 MAR 1994 . |
| Zero Gage Datum: | 400.00 ft NGVD 29 NOTE: SUBTRACT DATUM FROM ELEVATION TO OBTAIN STAGE. |
ALL VALUES RECORDED AT 8AM. ELEVATION IN FT: