|
|
Fast Facts
Environmental Creek Assessments
Photo Gallery |
| Fast Facts |
| Population |
2000: 1,028
2030: 6,388 |
| Creek Length |
7 miles |
| Drainage Area |
4 square
miles |
| Drains To |
Onion Creek
near McKinney Falls State Park |
| Well Known Sites |
Marble Creek
Greenbelt, Springfield Park, Grand Meadow Park |
| Land Use |
Residential
Business
Civic
Parks
Roadways
Undeveloped |
17%
0%
0%
1%
2%
79% |
Watershed Facts
- Slow moving areas of the creek are often
choked with algae
- A major extension of William Cannon caused
severe stream damage to the creek in the late 1990s, but the
channel is reestablishing itself and vegetative growth is recovering
- Marble Creek is a low-gradient Blackland
Prairie stream with heavy agricultural land use.
Return to Top
|
| Creek
Assessments
Environmental
| Index |
Score |
Category |
Notes |
| Overall
Score |
61
|
Fair
|
Marble ranks 26 out
of 46 watersheds in overall quality |
Water
Chemistry |
51
|
Fair |
Water quality is average,
ammonia is high, nitrate is high, conductivity is high, suspended
solids are high |
Sediment
Quality |
83 |
Very
Good |
PAHs are very low, herbicides/pesticides
are very low, metals are very low |
| Recreation |
90 |
Excellent |
During dry weather conditions,
bacteria is not a threat |
| Aesthetics |
58 |
Fair |
Lots of litter present,
no odor, algae covers 20-30% of creek, surface appearance
is poor, water is cloudy, some of the creek bed is dry |
| Habitat |
53
|
Fair |
Some sediment deposition,
cover is insufficient, some channel alteration |
| Aquatic
Life |
30
|
Poor |
Benthic macroinvertebrate
community is poor, diatom community is fair |
- Marble is transitioning from heavily agricultural
degradation to new impacts from residential development.
- Silt and sedimentation may be impacting
diatom community, lack of riparian corridor impacting aquatic
habitat.
Learn
More
How to Help
Return to Top
|
| Photo Gallery |
| |
|
| Marble Creek at Thaxton
Road |
Marble Creek above Onion
Creek |
Return to Top
|
