Archive for the News Category

An updated sampling schedule for the week of November 14 is included below.    Fixed Site Sampling Upstream of the Dispersal Barrier Site 1: Lake Calumet Site 2: Little Calumet River Site 3: Chicago Sanitary and Ship Canal (CSSC) near Western Ave. and South Branch Chicago River Site 4: North Branch Chicago River, North Shore [...]

Fixed Site Sampling Downstream of Dispersal Barrier Site A:  Lockport Pool – Lockport Lock and Dam to Electric Barrier Site B:  Brandon Road Pool – Brandon Road Lock and Dam to Lockport Lock and Dam Site C:  Dresden Island Pool – I-55 Bridge to Brandon Road Lock and Dam Site D:  Marseilles Pool – Rt. [...]

Fixed Site Sampling Upstream of the Dispersal Barrier Site 1: Lake Calumet Site 2: Little Calumet River Site 3: Chicago Sanitary and Ship Canal (CSSC) near Western Ave. and South Branch Chicago River Site 4: North Branch Chicago River, North Shore Channel Site 5: North Shore Channel Monday, October 31, 2011 One USFWS-La Crosse boat [...]

CHICAGO – On Oct. 18, 2011, the U.S. Army Corps of Engineers returned Barrier IIB settings from 2.3 volts per inch, 30 hertz, 2.5 milliseconds back to 2.0 volts per inch, 15 hertz, 6.5 milliseconds. This action was taken in response to concerns that the higher settings may be causing interference with the railroad operating [...]

eDNA Monitoring Project Tuesday, October 18 One USFWS – La Crosse boat and crew (with assistance from USEPA) will collect water samples for eDNA analysis in the Chicago River and South Branch Chicago River (Chicago Lock to Bubbly Creek).  Samples will be filtered by USACE and USEPA personnel at the USEPA lab in Chicago and forwarded [...]