1. 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

2. 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

3. 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

4. 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

5. 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

6. 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

7. Waste Discharge: Aluminum
Maximum Daily Final Effluent Limitation
= 123 µg/L
February 2016
Paradise Irrigation District Board Meeting

8. Waste Discharge: Dichlorobromomethane (DCBM)
Maximum Daily Final Effluent Limitation
= 1.12 µg/L
February 2016
Paradise Irrigation District Board Meeting

9. 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

10. 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

11. 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

12. 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