The objective of this desk-top analysis was to identify water quality and treatment issues
associated with blending the City of Issaquah's (in Washington State) undisinfected groundwater supplies with treated surface water via a new Regional Pipeline. The analysis included
evaluation of various blends of groundwater (GW) with surface water (SW) at 25%, 50%, and
75%, and switching to 100% of either source. Corrosion potential, microbial conditions,
disinfection byproducts, manganese oxidation and precipitation, and fluoride were assessed.
The Rothberg, Tamburini, & Winsor Model for Corrosion Control and Process Chemistry (RTW
Model) -Version 4.0 (AWWA, 1996) and simple laws of mixtures were used to predict water
quality outcomes as a result of blending. Recommendations were developed to ensure
compliance with existing and proposed regulations, and to maintain or improve the aesthetic
characteristics of the blended waters. Includes tables, figures.
| Edition : | Vol. - No. |
| File Size : | 1
file
, 640 KB |
| Note : | This product is unavailable in Ukraine, Russia, Belarus |
| Number of Pages : | 20 |
| Published : | 09/29/2004 |
