Monitoring and Reporting

Requirements, Part II

Leah Guzman and David EdmundsEnvironmental Program Specialists

Leah.guzman@alaska.govDavid.edmunds@alaska.gov

The Ground Water Rule WorkshopDepartment of Environmental Conservation

September 22-23, 2009

Treatment Technique Compliance Monitoring

Monitoring Reporting

Presentation Outline

Treatment Technique Compliance Monitoring◦ 4-log treatment of viruses using treatment approved by the

state

Chemical Disinfection Entry point Distribution residual concentration Continuous disinfection for systems of > 3,300

Ultraviolet Luminescence (mJ/cm2) Setpoint (minimum dosage) Flow Calibration check

Filtration Conventional Direct Slow Sand Diatomaceous Earth• Alternative Filtration

Membrane Bag or Cartridge Reverse Osmosis

Monitoring Requirements

Compliance Monitoring

Reporting requirements for Ground Water Rule:◦ Source sample for positive routine◦ Five additional samples for fecal indicator◦ Monthly Assessment Source Monitoring if required◦ Operator reports (compliance monitoring)

Monitoring Reporting

Treatment Technique Compliance Monitoring Requirements

Monitoring Reporting

Summary