F-TE-7-L_-_Outfall_Directions.pdf

Stormwater Outfall Locations on Dobbins ARB

Outfall 1:

From the Front Gate:

• Go approximately 1 mile west on Atlantic Ave.

• Take a right on the overpass road and continue over S. Cobb Dr (U.S. 280)

• Take the second left on Readiness Circle

• Continue behind the tents and metal buildings

• Behind the rents take a right and follow the road through the wooded area until reaching a fence

• Stay parallel to the fence and follow for roughly a mile and a half.

Outfall 1 is located outside then fence at the pipe shown below. The following picture was taken looking southeast from inside the fence.

Outfall 2:

Departing the Front Gate:

• Stay in the middle lane through the light

• Cross Cobb Parkway (U.S. 41) and pull onto the grassy triangle between Cobb

Parkway and the base on-ramp to Delk Road.

Outfall 2 is located on the grassy triangle off base. The following picture was taken looking southwest toward Dobbins ARB.

Outfall 3:

From the Front Gate:

• Go approximately 1 mile east on Atlanta Ave.

• Take a right on Little Lake Rd

• Once on Little Lake Rd., take a right off the road and go to the creek below.

Stormwater outfall 3 is located just underneath S. Cobb Dr. (U.S. 280) The following picture was taken looking northeast.

Outfall 4:

• Go straight through the light on Cobb Parkway (U.S. 41) and veer right onto S.

Cobb Dr. (U.S. 280 and Delk Rd.) which eventually heads back west.

• Go west on S. Cobb Dr. for just under 1/2 mile.

• On the right side of the road is a turn (Gym Rd.), take that right and immediately there is stormwater outfall 4.

Outfall 4 is the grassy area on the east side of the road. The first picture was taken looking north from on-base. The second picture was taken looking east from Gym Rd.

Outfall 5:

• Continue on Atlantic Ave. for approximately .20 miles

• Take the second right onto Barracks Dr. It will be a one-way street going north.

• When Barracks Dr. makes its first right, stop and go down the hill for stormwater outfall 5.

Stormwater outfall 5 can be found underneath S. Cobb Dr. (U.S. 280). The following picture was taken from the southeast, looking northwest.

Outfall 6:

• Upon entry into the main gate, take the first left

• Follow the short road until a STOP sign and take another left onto Mimosa Dr.

• Follow Mimosa Dr, veer right as it turns back into First St

• Follow First St. as it veers back to the left and turns into Perry Rd.

• Then veer back right as Perry Rd. turns into Patrol Rd. and begins to parallel Cobb Parkway (U.S.

41)

• Stay on Patrol Rd. as it passes the east approach to the runway and continue on Patrol Rd. for nearly a 1/2 mile, it will then veer right, then stop as it veers back left, heading south.

On your right, you should see a spill pond with a concrete culvert just to the north of it. Take stormwater outfall 6 readings in the concrete culvert. The first picture below is taken from the south side of outfall 6, looking north. The second picture was taken looking downstream toward the east.

Outfall 7:

• Outfall 7 is similar to outfall 6. Take the first left after entering the main gate and then left on Mimosa Dr.

• Continue on Mimosa, veer right as it turns into First St., then back left as it turns into Perry Rd. Eventually it turns into Patrol Rd,

• Continue on Patrol Rd. passing stormwater outfall 6 and continuing south.

• About .20 miles south of stormwater outfall 6, is another pond, spill pond 7.

Immediately on the north side of Pond 7 is where stormwater outfall 7 is located.

Outfall 8:

• Once again, immediately turn left inside the main gate and then turn left on Mimosa Dr., then right on First St., then left on Perry Rd and follow to Patrol Rd and continue south.

• Stormwater outfall 8 is located at the end of the East end approach. Park on the east side of the road and enter the gate on the east side of Patrol Rd. to take the samples from stormwater outfall 8.

Picture is taken between the two fences looking southwest, upstream.

Outfall 9:

• The directions to stormwater outfall 9 are similar to outfalls 6, 7, and 8.

• Immediately turn left inside the main gate, and then left on Mimosa Dr., then right on First St., then left on Perry St. and then follow Patrol Rd. south.

• Follow Patrol Rd. past the previous stormwater outfalls. Continue south past outfall 7 for approximately .30 miles.

• When Patrol road forks, veer to the left.

Stormwater outfall 9 is located directly under the culvert. Picture is taken from west side of patrol road, looking east, downstream.

Base Map

Image from GoogleEarth

Outfalls 1-5

Outfalls 6-9