Have You Got Your Microbial Toolbox Ready?. Sarah Clark, P.E. HDR Denver Office. Effective. Proposed. Final. Drinking Water Regulatory Schedule. Financial. Operations. Schedule. FEASIBLE ALTERNATIVES. Regulatory. Water Quality. Why Utilities Should be Concerned:
Sarah Clark, P.E.
HDR Denver Office
Drinking Water Regulatory Schedule
Why Utilities Should be Concerned:
The Practical Effects of New Rules
Water utility flexibility is shrinking
Source: Balancing Multiple Water Quality Objectives, AWWARF, 1998
(12-23%)Mean Cryptosporidum Concentration in Source Waters
Number of Source Waters
Total National Cost = $39,250,700
Measure 48 samples and calculate the simple meanFinding Your Crypto Bin
*Use any technology or combination from the Toolbox
**At least 1 log by ozone, chlorine dioxide, UV, membranes, bag/cartridge filters, or in-bank filtration.