OD-R 23-037 -Triples Lakes Road Bridge Replacement - MESD

The applicant is requesting to make alterations to the MESD Levee embankment. The proposed alterations include geotechnical exploration. Specifically, this Section 408 application details the geotechnical exploration and drilling plan of two soil test borings. The borings will be advanced to depths of approximately 90 feet.

OD-R 23-035 - Grapevine Rd. Bridge Replacement Borings - North Alexander D&LD

The applicant is requesting to make alterations to the North Alexander Levee embankment. The proposed alterations include geotechnical exploration. Specifically, this Section 408 application details the geotechnical exploration and drilling plan of five soil test borings (B-1, B-2, B-3, B-4, and B-5). The borings will be advanced to depths of 100 feet unless refusal terminates drilling at a shallower depth.

OD-R 23-008 - Energy Transfer Natural Gas Line

The applicant is requesting to make alterations to the Metro East Sanitary District embankment in Madison County, Illinois. The proposed alterations include the installation of a 4-inch diameter natural gas transmission pipeline system. The purpose of the proposed project is to take the natural gas produced by the Ameresco RNG Facility and transport it to the East Line for use in Mississippi River Transmission’s natural gas transmission pipeline system. The Project was designed to route the gas from the Ameresco RNG Facility to MRT’s pipeline system in the most direct manner practicable which required a crossing of Metro East Sanitary District’s (MESD) levee, which is proposed via horizontal directional drill (HDD).

OD-R 23-011 - Former Wood River Refinery Well Installations and Abandonments

The applicant is requesting to make alterations to the Wood River Drainage and Levee district embankment in Madison County, Illinois. The proposed alterations include the abandonment of an existing monitoring well and the construction of three new monitoring wells that will provide sampling abilities at various depths. The work is being performed in association with the environmental assessment at the Former BP Wood River Refinery in Wood River, Illinois.

OD-R 23-010 - IL 111 Repairs over Cahokia Diversion Canal with Alterations to the Floodwall

The applicant is requesting to make alterations to the Metro East Sanitary District and the Lower Wood River Levees in Madison County, Illinois. The proposed alterations include the rehabilitation of the IL-111 Bridge across the Cahokia Diversion Canal and modifications to the Closure structures at each of the levee crossings. The project will remove and replace the floodgate highway structures in order to return the floodgates to an operational condition.

OD-R 23-025 - Porsche Service Center

The applicant is requesting to make alterations to the Monarch Chesterfield Levee District in St. Louis County, Missouri. The proposed alterations include a building and parking lot that will be constructed on the MCLD seepage berm. The facility is planned for an approximate 5.2- acre lot, located at 17455 North Outer Forty Road in Chesterfield, Missouri. The location of the site is shown on the attached.

OD-R 23-018 Spunky Bottoms Levee Repair and Water Control Structure

The applicant is requesting to make alterations to the Little Creek Levee in Brown County, Illinois. The proposed alterations include the repair of two levee breaches that occurred during the 2013 flood. Embankment from local borrow sources is proposed for the repair section and the breach section of the levee. A permanent drainage structure is also proposed in the breach section. The proposed drainage structure is a 72-inch diameter concrete pipe with a water control system that will allow for fish passage. The drainage structure will also include a sampling structure.

OD-R 18-006 Chester Bridge - Bois Brule

The applicant is requesting to make alterations to the Bois Brule Levee and Mississippi River Navigation Channel. The proposed alterations include the construction of a new US Highway 51 bridge that crosses the Bois Brule Levee and the Mississippi river. Specifically, this Section 408 application details the portion of the project where the highway embankment crosses the Bois Brule Levee embankment and the bridge piers and revetment work that is occurring within banks of the Mississippi River. The new two-lane bridge and roadway is approximately 150 feet upstream of the existing bridge. The new Mississippi River bridge design is a four-span cable-stay bridge with two precast concrete girder span approaches on the Missouri side and one precast concrete girder span on the Illinois side. The new bridge includes two piers in the Mississippi River and one pier on the Missouri overbank land area. The river piers are supported on drilled shaft foundations constructed within cofferdams. In addition, the project includes a span of the Horse Island Chute with a four-span precast concrete girder supported on driven pipe piles. Construction of the new bridge and roadway embankment and removal of the old bridge will result in temporary and permanent impacts to the Mississippi River and the Bois Brule Levee.

OD-R 22-020 Ameren Branch 658 Transmission Line - CNCLD

The applicant is requesting to make alterations to the Consolidated North County Levee. The proposed alterations include the replacement of the Ameren Branch 658 supporting towers and transmission Line that cross the Consolidated North County Levee and the Missouri River. The existing lattice steel structures will be removed, and the concrete piers will be cut below grade. Existing Structure 114 will not be replaced as part of this project and the span of the project that crosses the Missouri River will be support by new structures replacing Structures 113 and 115. The max sage clearance elevation for the portion of the project crossing the Missouri River will be 525ft.

OD-R 22-011 West End Pump Station - MCLD Public Notice

The applicant is requesting to make alterations to the Monarch-Chesterfield Levee and the Levee Seepage Berm. The proposed alterations include the installation of a pump station with associated discharge pipes that cross the seepage berm and the levee in St. Louis County, Missouri. Specifically, this Section 408 application details the portion of the project where the discharge pipes cross the levee and the seepage berm. Three 42” discharge pipes will cross over the levee and seepage berm and discharge water onto a concrete and sheet pile discharge bay that is located at the riverside levee toe. A siphon break/air release is also located at the levee crown.

OD-R 23-004A Spire Pipeline Replacement Geotechnical Exploration - COR

The applicant is requesting to make alterations to the MESD / Chain of Rocks East Levee System. The proposed alterations include geotechnical exploration, which will impact the associated levee within Madison County, Illinois. Specifically, this Section 408 application details the geotechnical exploration and drilling plan of two standard penetration tests (B-1 and B-2).

OD-R 23-002 17995 North Outer Forty Road Borings - MCLD

The applicant is requesting to make alterations to the Monarch-Chesterfield Levee and the Levee Seepage Berm. The proposed alterations include geotechnical exploration, which will impact the associated seepage berm within St. Louis County, Missouri. Specifically, this Section 408 application details the geotechnical exploration and drilling plan of seven standard penetration tests (B-101, B-102, B-103, B-104, B-105, B-106, and B-107).

OD-R 22-008 Spire HDD Through Seepage Berm Along North Eartherton Rd. - MCLD

The applicant is requesting to make alterations to the Monarch-Chesterfield Levee and the Levee Seepage Berm. The proposed alterations include the installation of an 8-inch plastic pipeline for natural gas distribution in St. Louis County, Missouri. Specifically, this Section 408 application details the drilling plan and installation of the natural gas pipeline within the seepage berm and over the seepage berm for the portion located within the roadway embankment.

OD-R 22-023 MESD STL Bluebird Fiber Optic Line

The applicant is requesting to make alterations to the East St Louis Flood Protection System Levee, the City of St Louis Flood Protection System, and the Mississippi River Navigation Channel. The proposed alterations include the installation of a directionally drilled steel casing that will house a fiber optic communications line that will be installed under East St Louis Flood Protection System Levee, the City of St Louis Flood Protection System, and the Mississippi River Navigation Channel.

OD-R 21-029 Grand Tower to West Frankfort Transmission Line Project

The applicant is requesting to make alterations to the Grant Tower Levee. The proposed alterations include the replacement of structures 36 and 37 which are approximately 145 feet landside and 605 feet riverside of the levee centerline respectively. A new transmission line will be suspended between the new structures with an approximate clearance of 40 feet over the levee crown.

OD-R 22-025 City of Saint Peters Old Town Levee District Salt River Road Fiber Optic Line

The applicant is requesting to make alterations to the City of St. Peters Old Town Levee. The proposed alterations include the installation of a directionally drilled 2 inch diameter fiber optic installed over the levee, that will be located within the roadway embankment.

OD-R 22-021 Monarch Chesterfield Spirit 2 Forcemain Geotechnical Exploration

The applicant is requesting to make alterations to the Monarch-Chesterfield Levee and the Levee Seepage Berm. The proposed alterations include geotechnical exploration in preparation for the construction of a municipal water supply line, which will impact the associated seepage berm within St. Louis County, Missouri. Specifically, this Section 408 application details the geotechnical exploration and drilling plan of nine cone penetration tests (BP-32, B-33, B-34, BP-35, B-36, BP-37, B-38, B-39, and B-42). Temporary piezometers will be installed at the BP-32, BP-35, and BP-37 locations after completion of the geotechnical exploration.

OD-R 19-012 Hardin to Eldred Transmission Line

The purpose of the proposed project is to build an above-ground 69kV transmission pole route in order to provide electricity and redundancy in the case of power outages to the Hardin to Eldred, Illinois communities.

The applicant is requesting easements for a 100-foot-wide strip of land, 50-feet on either side of the pole line, for the transmission poles intersecting the Nutwood levee embankment. The majority of poles utilized in construction will be wood, approximately 60-90 feet tall, and framed in a horizontal post configuration. Poles which cross obstacles, i.e. the river or other transmission lines, may utilize alterative configurations such as a single pole with cross arms or multi-pole structures.

OD-R 22-012 Monarch Chesterfield N Outer Forty Rd. Drilling

The applicant is requesting to make alterations to the Monarch-Chesterfield Levee Seepage Berm. The proposed alterations include the preparation of the construction of a commercial business, which will impact the associated seepage berm within St. Louis County, Missouri. Specifically, this Section 408 application details the geotechnical exploration and drilling plan of two cone penetration tests (B-6 and B-7) at the 17455 North Outer Forty Road Address.