Aptos Creek

303(d) Listed Impairments

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)

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

Disclaimer

This page may contain students's work completed as part of assigned coursework. It may not be accurate. It does not necessarily reflect the opinion or policy of CSUMB, its staff, or students.