Bolton Branch

Bolton Branch

Mobile, Alabama, United States

East Bolton Branch at Navco Road.

Channelized stream, faces significant impacts from urban stormwater runoff, Sanitary Sewer Overflows (SSO's), litter and sedimentation (See Reynolds, 2008 - More than 75% of the watershed is characterized by urban land cover.

The creek was listed as an impaired water due to pathogens (bacteria) in 2004 based on data collected by MAWSS as a result of the Supplemental Environmental Projects (SEP) required by their consent decree with Mobile Baykeeper. A Total Maximum Daily Load (TMDL) - was prepared by ADEM for the creek to aid in reducing impairment due to bacteria in 2009.

From the sample site the creek travels approximately 0.5 river miles to the confluence with Eslava Creek. Drainage area at sampling site is 1494 acres. Bolton Branch drains into Eslava Creek which is a tributary of Dog River.

Sampling site is on North bank of stream, use caution as there is a significant drop from the parking lot above to the stream bank.

Location created by
Cade Kistler
  • Site ID: AWW06005018
  • Lat: 30.644969
  • Lng: -88.102659
  • Waterbody Type: Unknown
  • Timezone: US/Central

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Observations summary

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Observation tests summary

pH (0-14)
7.0 Latest
6.6 Average
Water temperature ℃
25.0 Latest
21.4 Average
Air temperature ℃
35.5 Latest
25.3 Average
Alkalinity (mg/L)
70 Latest
62 Average
Turbidity (JTU)
10 Latest
24 Average
Hardness (mg/L)
60 Latest
97 Average
E.coli per 100mL
333 Latest
2313 Average
Other coliform per 100mL
3667 Latest
2278 Average
Incubation time (hours)
48.0 Latest
48.0 Average
Incubation temperature ℃
35.0 Latest
33.7 Average
Dissolved oxygen (mg/L)
3.9 Latest
5.3 Average