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Water Treatment Plani Produdion Study <br />- <br /> <br /> <br />and benchmarking provisions, and 2-Log Cryptosporidium removal <br />requirements. <br />➢ Stage 1 Disinfectants and Disinfection Byproducts Rule (DBPR): <br />Requires specified removal of Total Organic Carbon (TOC), requires <br />reduction in total trihalomethanes (TTHM) from 100 ug/L to 80 ug/L and <br />add Haloacetic acids (five) (HAA5) <br />➢ Total Coliform Rule: May increase disinfectant amounts (competes with <br />DBPR) <br />➢ Lead and Copper Rule: May increase pH levels in distribution system <br />(competes with IESWI'R & DBPR) <br />Beginning January 1, 2002, all surface water treatrnent plants serving at least 10,000 <br />people will be required to meet the IESWR and the Stage 1 D/DBPR. The Total <br />Coliform Rule and the Lead and Copper Rule are now in effect. The EPA has <br />proposed the Stage 2 Disinfectants/Disinfection Byproducts Rule (D/DBPR) and the <br />Long-Team 2 Enhanced Surface Water Treatrnent Rule (LT2ESWI'R). These rules <br />will require more thorough monitoring and treatrnent. <br />Treatrnent plants should consider a variety of compliance options. Including capacity <br />reduction, or seasonal capacity reduction to meet more stringent requirements, <br />optimization of treatrnent, altemative compliance criteria, exceptions, chemical and <br />physical modification, and operational changes. <br />We have confidence in our ability to identify the appropriate compliance strategies <br />for current and future regulations based on our fo((owing qualifications: <br />• Recent (1999/2001) Safe Drinking Water Act and Plant Production <br />Evaluations for: <br />➢ Ciiy of Beaumont <br />➢ Brown County Water Improvement District #1 <br />