The natural treatment system master plan to meet pollutant loading limits: Case study of San Diego Creek, Orange County, California

Eric Strecker, Peter Mangarella, Norris Brandt, Todd Hesse, Rachata Muneepeerakul, Klaus Rathfelder, Marc Leisenring

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A Natural Treatment System (NTS) Master Plan comprised of a network of constructed wetlands was evaluated for treatment effectiveness of dry weather base flows and runoff from smaller more frequent storms in a 120 square mile (311 km2), urban watershed. The goal of the 'regional retrofit' wetland network is to serve as an integral component in watershed-wide BMPs for compliance with recent and proposed pollutant loading limits (TMDLs) requiring discharge limits of sediments, nutrients, pathogen indicators, pesticides, toxic organics, heavy metals, and selenium. The NTS Plan was assessed with 'planning-level' water quality models that account for the integrated effects of the planned 44 NTS facilities. The NTS Plan is estimated to achieve total nitrogen (TN) TMDL for base flows, and in-stream TN concentrations would be reduced below current standards at most locations. Total phosphorous TMDL targets would be met in all but the wettest years. The fecal coliform TMDL would be met during the dry season, but not all wet season base flow conditions, and not under storm conditions. The NTS Plan is not designed to meet the sediment TMDL, but would capture on average about 1900 tons/yr (1724000 kg/yr) of sediment from urban areas. The wetlands are estimated to remove 11 percent of the total copper and lead, and 18 percent of the total zinc in storm runoff. The NTS Plan provides a cost-effective alternative to routing dry-weather flows to the sanitary treatment system.

Original languageEnglish (US)
Title of host publicationGlobal Solutions for Urban Drainage
EditorsE.W. Strecker, W.C. Huber, E.W. Strecker, W.C. Huber
Pages1-17
Number of pages17
StatePublished - 2002
Externally publishedYes
EventProceedings of the Ninth International Conference on: Urban Drainage - Portland, OR, United States
Duration: Sep 8 2002Sep 13 2002

Other

OtherProceedings of the Ninth International Conference on: Urban Drainage
CountryUnited States
CityPortland, OR
Period9/8/029/13/02

Fingerprint

Wetlands
Sediments
Watersheds
Runoff
Nitrogen
Selenium
Pathogens
Pesticides
Nutrients
Heavy metals
Water quality
Zinc
Lead
Copper
Planning
Costs

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Strecker, E., Mangarella, P., Brandt, N., Hesse, T., Muneepeerakul, R., Rathfelder, K., & Leisenring, M. (2002). The natural treatment system master plan to meet pollutant loading limits: Case study of San Diego Creek, Orange County, California. In E. W. Strecker, W. C. Huber, E. W. Strecker, & W. C. Huber (Eds.), Global Solutions for Urban Drainage (pp. 1-17)

The natural treatment system master plan to meet pollutant loading limits : Case study of San Diego Creek, Orange County, California. / Strecker, Eric; Mangarella, Peter; Brandt, Norris; Hesse, Todd; Muneepeerakul, Rachata; Rathfelder, Klaus; Leisenring, Marc.

Global Solutions for Urban Drainage. ed. / E.W. Strecker; W.C. Huber; E.W. Strecker; W.C. Huber. 2002. p. 1-17.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Strecker, E, Mangarella, P, Brandt, N, Hesse, T, Muneepeerakul, R, Rathfelder, K & Leisenring, M 2002, The natural treatment system master plan to meet pollutant loading limits: Case study of San Diego Creek, Orange County, California. in EW Strecker, WC Huber, EW Strecker & WC Huber (eds), Global Solutions for Urban Drainage. pp. 1-17, Proceedings of the Ninth International Conference on: Urban Drainage, Portland, OR, United States, 9/8/02.
Strecker E, Mangarella P, Brandt N, Hesse T, Muneepeerakul R, Rathfelder K et al. The natural treatment system master plan to meet pollutant loading limits: Case study of San Diego Creek, Orange County, California. In Strecker EW, Huber WC, Strecker EW, Huber WC, editors, Global Solutions for Urban Drainage. 2002. p. 1-17
Strecker, Eric ; Mangarella, Peter ; Brandt, Norris ; Hesse, Todd ; Muneepeerakul, Rachata ; Rathfelder, Klaus ; Leisenring, Marc. / The natural treatment system master plan to meet pollutant loading limits : Case study of San Diego Creek, Orange County, California. Global Solutions for Urban Drainage. editor / E.W. Strecker ; W.C. Huber ; E.W. Strecker ; W.C. Huber. 2002. pp. 1-17
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