Difference between revisions of "Aptos Creek"

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'''Possible Sources:''' Collection System Failure, Natural Sources, Onsite Wastewater Systems (Septic Tanks), Pasture Grazing-Riparian and/or Upland, Urban Runoff/Storm Sewers
 
'''Possible Sources:''' Collection System Failure, Natural Sources, Onsite Wastewater Systems (Septic Tanks), Pasture Grazing-Riparian and/or Upland, Urban Runoff/Storm Sewers
  
'''TMDL:''' Fecal Coliform concentration shall not exceed - 200 MPN/100mL (w/ no less than 5 samples for any 30-day period) or 400 MPN/100mL (for no more than 10% of single samples collected during any 30-day period)<ref name="US EPA Aptos TMDL approval"> [http://www.waterboards.ca.gov/rwqcb3/water_issues/programs/tmdl/docs/aptos/pathogens/aptos_path_epa_approval_ltr.pdf]</ref>
+
'''TMDL:''' Fecal Coliform concentration shall not exceed - 200 MPN/100mL (w/ no less than 5 samples for any 30-day period) or 400 MPN/100mL (for no more than 10% of single samples collected during any 30-day period)<ref name="US EPA Aptos TMDL approval"> [http://www.waterboards.ca.gov/rwqcb3/water_issues/programs/tmdl/docs/aptos/pathogens/aptos_path_epa_approval_ltr.pdf US EPA Aptos TMDL Approval Letter]</ref>
  
 
'''TMDL Approval Status:'''
 
'''TMDL Approval Status:'''

Revision as of 16:32, 29 March 2016

303(d) Listed Impairments[1]

Pathogens

First listed: 1990

Possible Sources: Collection System Failure, Natural Sources, Onsite Wastewater Systems (Septic Tanks), Pasture Grazing-Riparian and/or Upland, Urban Runoff/Storm Sewers

TMDL: Fecal Coliform concentration shall not exceed - 200 MPN/100mL (w/ no less than 5 samples for any 30-day period) or 400 MPN/100mL (for no more than 10% of single samples collected during any 30-day period)[2]

TMDL Approval Status:

  • Central Coast Water Board - approved May 8, 2009
  • State Water Resources Control Board - approved August 3, 2010
  • Office of Administrative Law (OAL) - approved October 29, 2010 - Effective date
  • US Environmental Protection Agency - approved January 20, 2011'

Sedimentation/siltation

  1. Aptos Creek Impairments & Evidence
  2. US EPA Aptos TMDL Approval Letter