Production Costs, Inefficiency, and Source Water Quality: A Stochastic Cost Frontier Analysis of Canadian Water Utilities

2017 ◽  
Vol 93 (1) ◽  
pp. 1-11 ◽  
Author(s):  
James I. Price ◽  
Steven Renzetti ◽  
Diane Dupont ◽  
Wiktor Adamowicz ◽  
Monica B. Emelko
Keyword(s):  
Water Quality ◽  
Production Costs ◽  
Water Utilities ◽  
Source Water ◽  
Stochastic Cost Frontier ◽  
Frontier Analysis ◽  
Cost Frontier ◽  
Source Water Quality

scholarly journals Corrigendum: The role of precipitation type, intensity, and spatial distribution in source water quality after wildfire (2015 Environ. Res. Lett. 10 084007)

2016 ◽  
Vol 11 (7) ◽  
pp. 079501
Author(s):  
Sheila F Murphy ◽  
Jeffrey H Writer ◽  
R Blaine McCleskey ◽  
Deborah A Martin
Keyword(s):  
Water Quality ◽  
Spatial Distribution ◽  
Source Water ◽  
Precipitation Type ◽  
Source Water Quality

scholarly journals Estimating the Relative Efficiency of Brazilian Publicly and Privately Owned Water Utilities: A Stochastic Cost Frontier Approach

2007 ◽  
Vol 43 (5) ◽  
pp. 1237-1244 ◽  
Author(s):  
Geraldo da Silva e Souza ◽  
Ricardo Coelho de Faria ◽  
Tito Belchior S. Moreira
Keyword(s):  
Relative Efficiency ◽  
Water Utilities ◽  
Stochastic Cost Frontier ◽  
Cost Frontier ◽  
Privately Owned

Development of communication networks and water quality early warning detection systems at drinking water utilities in the Ohio river valley basin

2005 ◽  
Vol 52 (9) ◽  
pp. 235-242
Author(s):  
J.G. Schulte ◽  
A.H. Vicory
Keyword(s):  
United States ◽  
Water Quality ◽  
Drinking Water ◽  
Early Warning ◽  
The United States ◽  
River Valley ◽  
Water Utilities ◽  
Ohio River ◽  
Source Water ◽  
Ohio River Valley

Source water quality is of major concern to all drinking water utilities. The accidental introduction of contaminants to their source water is a constant threat to utilities withdrawing water from navigable or industrialized rivers. The events of 11 September, 2001 in the United States have heightened concern for drinking water utility security as their source water and finished water may be targets for terrorist acts. Efforts are underway in several parts of the United States to strengthen early warning capabilities. This paper will focus on those efforts in the Ohio River Valley Basin.

NASA-Modified Precipitation Products to Improve USEPA Nonpoint Source Water Quality Modeling for the Chesapeake Bay

2010 ◽  
Vol 39 (4) ◽  
pp. 1388-1401 ◽  
Author(s):  
Nigro Joseph ◽  
Toll David ◽  
Partington Ed ◽  
Wenge Ni-Meister ◽  
Lee Shihyan ◽  
...  
Keyword(s):  
Water Quality ◽  
Chesapeake Bay ◽  
Nonpoint Source ◽  
Water Quality Modeling ◽  
Source Water ◽  
Quality Modeling ◽  
Source Water Quality

scholarly journals Trihalomethane precursor reactivity changes in drinking water treatment unit processes during a storm event

2019 ◽  
Vol 19 (7) ◽  
pp. 2098-2106
Author(s):  
Chelsea W. Neil ◽  
Yingying Zhao ◽  
Amy Zhao ◽  
Jill Neal ◽  
Maria Meyer ◽  
...  
Keyword(s):  
Water Quality ◽  
Drinking Water ◽  
Water Treatment ◽  
Treatment Plant ◽  
Drinking Water Treatment ◽  
Plant Performance ◽  
Storm Event ◽  
Source Water ◽  
Treatment Unit ◽  
Source Water Quality

Abstract Source water quality can significantly impact the efficacy of water treatment unit processes and the formation of chlorinated and brominated trihalomethanes (THMs). Current water treatment plant performance models may not accurately capture how source water quality variations, such as organic matter variability, can impact treatment unit processes. To investigate these impacts, a field study was conducted wherein water samples were collected along the treatment train for 72 hours during a storm event. Systematic sampling and detailed analyses of water quality parameters, including non-purgeable organic carbon (NPOC), UV absorbance, and THM concentrations, as well as chlorine spiking experiments, reveal how the THM formation potential changes in response to treatment unit processes. Results show that the NPOC remaining after treatment has an increased reactivity towards forming THMs, and that brominated THMs form more readily than chlorinated counterparts in a competitive reaction. Thus both the reactivity and quantity of THM precursors must be considered to maintain compliance with drinking water standards, a finding that should be incorporated into the development of model-assisted treatment operation and optimization. Advanced granular activated carbon (GAC) treatment beyond conventional coagulation–flocculation–sedimentation processes may also be necessary to remove the surge loading of THM-formation precursors during a storm event.

Effectively Managing Source Water Quality Affecting Downstream Recycled Water Treatment Plants

2014 ◽  
Vol 2014 (14) ◽  
pp. 2625-2640
Author(s):  
Alice E. Towey ◽  
John M. Hake ◽  
Erika R. Gardner ◽  
Joseph A. Augustine
Keyword(s):  
Water Quality ◽  
Water Treatment ◽  
Source Water ◽  
Recycled Water ◽  
Water Treatment Plants ◽  
Source Water Quality

Source Water Quality Management

2005 ◽  
Author(s):  
Laurel Phoenix
Keyword(s):  
Water Quality ◽  
Quality Management ◽  
Water Quality Management ◽  
Source Water ◽  
Source Water Quality

WATERSHEDSS: A DECISION SUPPORT SYSTEM FOR WATERSHED-SCALE NONPOINT SOURCE WATER QUALITY PROBLEMS

1997 ◽  
Vol 33 (2) ◽  
pp. 327-341 ◽  
Author(s):  
D. L. Osmond ◽  
R. W. Cannon ◽  
J. A. Gale ◽  
D. E. Line ◽  
C. B. Knott ◽  
...  
Keyword(s):  
Water Quality ◽  
Decision Support ◽  
Decision Support System ◽  
Support System ◽  
Nonpoint Source ◽  
Source Water ◽  
Watershed Scale ◽  
Source Water Quality
Sign in / Sign up

Export Citation Format

Share Document