1. Mulberry River Watershed Management Plan
Advisory Committee Meeting
January 29, 2018

2. Mulberry River Watershed

3. Potential Sources of Contamination from TMDL plans
Fecal coliform
Urban runoff
Livestock access to waterways
Direct sewage discharge
Leaking/failing septic systems
Sanitary sewerage leak/overflow
Wastewater treatment facilities
Sediment
Legacy sediment
Urban development
These are potential pollution sources identified in the TMDL plan. Does committee agree with these? Does the committee have any potential sources to add or subtract?

5. Monitoring Sites

6. Monitoring Site Description
Monitoring Data
Monitoring Site Description
Sep-15
Oct-17
E.coli cfu/100 ml
Fecal Coliform cfu/100 ml
Turbidity (NTU)
Conductivity (uS)
Mulberry River at Thompson Mill
99.99
166.65
42.40
96.00
73.50
Mulberry River at Peachtree Rd
33.33
55.55
55.40
90.00
76.70
Mulberry River at Hwy 11
10.40
77.00
44.70
Mulberry River at Etheridge Rd
277.75
13.40
69.00
149.00
Cedar Creek at 211
9.56
64.00
235.00
Rainfall - previous 48 hours (inches)
Rainfall - previous 24 hours (inches)
1.03
Nov-17
Jan-18
233.31
388.85
10.30
109.00
0.00
29.20
119.00
5.42
125.00
133.32
222.20
13.10
123.00
66.66
111.10
16.20
95.00
14.20
102.00
21.00
135.00
9.51
133.00
11.30
127.00
366.63
611.05
14.00
  exceeds seasonal fecal coliform standard (200 May - Oct))   exceeds seasonal fecal coliform standard (1000 Nov - Apr)   wet weather sampling event

7. Monitoring Data Cedar Creek to Winder Reservoir at 211
February 2004 – Fecal colifom 162 gm
April 2004 – Fecal coliform 1332 gm
July 2004 – Fecal coliform 4311 gm
October 2004 – Fecal coliform 913 gm
(May – Oct seasonal standard is 200 gm)

8. Cedar Creek – Mulberry River
Fecal Coliform
Counts above state standard after rain event.
Agricultural land, some with cattle, drains to sampling site.
Possible contamination sources:
Agricultural runoff
Cattle with access to streams
Erosion
Dry weather monitoring event: readings not elevated when compared to lower watershed
Wet weather monitoring event: reading elevated.
Loss of vegetative buffers
Comments from contamination sources from committee?

9. Lower Mulberry River Fecal Coliform Possible contamination sources:
Counts above state standard after rain event.
Agricultural land, some with cattle, drains to sampling site.
Possible contamination sources:
Agricultural runoff
Cattle with access to streams
Erosion
Dry weather monitoring event: readings not elevated when compared to lower watershed
Wet weather monitoring event: reading elevated.
Loss of vegetative buffers

13. Solutions Stream Bank Stabilization Maintain vegetative buffers
Install Ag BMPs
Green Infrastructure as subwatershed develops
Compliance with E&S ordinance

14. Healthy Watersheds

15. Healthy Watershed Components
Structure and function in place to support healthy aquatic ecosystems. Key components of a healthy watershed include:
intact and functioning headwater streams, floodplains, riparian corridors, instream habitat, and biotic communities;
natural vegetation in the landscape; and
hydrology, sediment transport, fluvial geomorphology, and disturbance regimes expected for its location.

16. Mulberry River Watershed Healthy Watersheds
Indian Creek
Cedar Creek below Winder Reservoir
Rocky Creek

17. Common Characteristics
Largely undeveloped (large forested tracts)
Vegetated buffers

18. Cedar Creek below Winder Reservoir
Large forested tracks or deep vegetated buffers where development exists.
Sampled in 2003 and 2007
2003 – stream rated “excellent” though potential problems with sediment deposition were identified.
2007 – reduced habitat score from (-6.85%)

19. Indian Creek Largely undeveloped
Upper portion - commercial/residential
Middle portion – agriculture
Lower portion - forest
Water is supporting its designated use.
2016 macroinvertebrate criteria met.

20. Rocky Creek Large forested tracts Sampled in 2003 and 2007
2003 – stream rated “excellent” but poor bank conditions noted.
2007 – reduced habitat score from (-19.24%)