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Posted 6/15/2017

Release no. 17-118


Contact
Little Rock District Operations Technical Support Branch
501-324-5739
ceswl-op-om@usace.army.mil

This is to advise mariners transiting the White River Entrance Channel (WREC) of increased head differentials between Norrell Lock and Dam and Montgomery Point Lock and Dam.  At 8:00 am today, the tailwater elevation at Norrell Lock and Dam was 145.31 ft-msl and the headwater elevation at Montgomery Point Lock and Dam was 142.72 ft-msl with a differential of 2.59 feet.  The WREC differential is forecasted to be 3 feet tomorrow and is expected to increase to 3.5 feet over the weekend.  The differentials are expected to remain above 3 feet for approximately seven days.  Mariners are reminded of advised tow restrictions during increased differentials:

WREC Differential                                         # Barges

2.9 feet or less                                                 No restriction

3.0 to 4.4 feet                                                  12 barge down bound restriction

                                                                        No restriction up bound

4.5 to 5.0 feet                                                  9 barge down bound restriction

                                                                        No up bound restriction

5.1 to 5.9 feet                                                  4 barge down bound restriction during daylight

                                                                        2 barge down bound restriction during night

                                                                        No up bound restriction

Mariners transiting the WREC should use extreme caution in this area, especially when passing Montgomery Point Lock and Dam.  Contact Montgomery Point Lock and Dam or Norrell Lock and Dam for current differential and elevations or visit our website at http://www.swl.usace.army.mil/Missions/WaterLevels.aspx

Questions or requests for additional information concerning this notice should be directed to the Little Rock District Office at (501) 324-5739 or you may email CESWL-OP-OM@us.army.mil.

 

//signed//

Kevin J. McDaniels

Chief, Operations Division