Waste Discharge Permit: Paradise Irrigation District Bryan J. Smith, PE Supervising Water Resource Control Engineer Regional Water Quality Control Board Central Valley Region, Redding Unit February 2016 Paradise Irrigation District Board Meeting
Paradise Irrigation District Board Meeting Overview Who is the Central Valley Water Board? What is NPDES? What are effluent limits? What does our permit include? What is a Time Schedule Order (TSO)? Is there a problem? What is the regulatory timeline? What happens if PID does not comply with the permit and TSO? February 2016 Paradise Irrigation District Board Meeting
Central Valley Water Board Protect the State’s water quality Surface Water Groundwater PID regulated by the Central Valley Region Central Valley Region February 2016 Paradise Irrigation District Board Meeting
National Pollutant Discharge Elimination System (NPDES) Created by the Federal Clean Water Act, 1972 Gives authority to State governments by EPA Regulates discharges to surface waters by: Issuing permits Monitoring discharge for compliance Implementing enforcement actions February 2016 Paradise Irrigation District Board Meeting
Paradise Irrigation District Board Meeting Effluent Limits The primary mechanism in NPDES permits for controlling discharges of pollutants to surface waters Designed to meet water quality standards in surface water February 2016 Paradise Irrigation District Board Meeting
PID’s Current 2010 NPDES Permit Permitted to discharge filter backwash water to Magalia Reservoir Effluent Limitations: Flow pH Settleable Solids Suspended Solids Chlorine Aluminum Dichlorobromomethane (DCBM) February 2016 Paradise Irrigation District Board Meeting
Waste Discharge: Aluminum Maximum Daily Final Effluent Limitation = 123 µg/L February 2016 Paradise Irrigation District Board Meeting
Waste Discharge: Dichlorobromomethane (DCBM) Maximum Daily Final Effluent Limitation = 1.12 µg/L February 2016 Paradise Irrigation District Board Meeting
Paradise Irrigation District Board Meeting Time Schedule Order Establishes compliance schedule to give time to come into compliance with new limits Establishes interim effluent limits that offers some protection from enforcement actions while working toward compliance February 2016 Paradise Irrigation District Board Meeting
Regulatory Timeline Amended Time Schedule Order April 2015 Granted more time for compliance Current Permit Adopted May 2010 Final Effluent Limits Interim Aluminum Limits 2010 2011 2012 2013 2014 2015 2016 2017 2018 Submit Project Final Design January 2016 Submit Formal Decision for Compliance Full Compliance January 2018 Fund/Design/Build improvements Begin Compliance Project Construction July 2016 Time Schedule Order May 2010 Compliance Schedule Interim DCBM Limits Original Final Compliance Date and Permit Expiration (May 2015) February 2016 Paradise Irrigation District Board Meeting
Potential Consequence for not Achieving Compliance Mandatory Minimum Penalties $3,000 per qualifying violation Discretionary Penalties Up to $10,000 for each day in violation Up to $10 per gallon of wastewater discharged 3rd Party Liability February 2016 Paradise Irrigation District Board Meeting
Waste Discharge Permit: Paradise Irrigation District Bryan J. Smith, PE Supervising Water Resource Control Engineer Regional Water Quality Control Board Central Valley Region, Redding Unit February 2016 Paradise Irrigation District Board Meeting