Location

Bolton Branch

Bolton Branch

Bolton Branch in Alabama

Dataset summary

Bolton Branch has data for e_coli, incubation_temperature, water_temperature, incubation_time, air_temperature, other_coliform, oxygen, alkalinity, turbidity, hardness, and ph from 29 July 2017 to 26 May 2018.

30.644969, -88.102659

Summary of quantitative results

Guidelines for exceedances are based on: Usa Alabama
  • Chemistry tests

  • Biological tests

    • Other coliform

      CFU/100 mL

      Roth R-Card ECC-A (E. coli, total coliform)

      3,666.67

      Latest

      2,277.78

      Average

  • Other tests

    • Incubation temperature

      °C

      Digital thermometer

      35.0

      Latest

      33.67

      Average

      Not enough data for trend yet

      Trendlines will appear once three sampling dates are entered

    • Incubation time

      hours

      Digital timer

      48.0

      Latest

      48.0

      Average

      Not enough data for trend yet

      Trendlines will appear once three sampling dates are entered

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Location description
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 - http://goo.gl/ULwUC1). 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) - http://goo.gl/8g0eSO 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.