Record of Tests of Cement Made for Boston Main Drainage Works, 1878–1884

Clarke, Eliot C.

doi:10.1061/taceat.0000517

Cited by 1 publication

(1 citation statement)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The combined sewer influent to the wastewater treatment plant is divided between a Northern and Southern influent system. This division and the combined stormwater system itself are relics of the original 1876 plan to control nuisance orders from poorly managed sewage. , The Northern and Southern influent DSi flux are a combination of DSi carried by the three waste streams: urban runoff inflow, sewage, and groundwater infiltration.…”

Section: Materials and Methodsmentioning

confidence: 99%

Urban Dissolved Silica: Quantifying the Role of Groundwater and Runoff in Wastewater Influent

Maguire

Fulweiler

2015

Environ. Sci. Technol.

View full text Add to dashboard Cite

Human impacts on silicon (Si) cycling are just being explored. In particular, we know little about the role of urban environments in altering the flux of Si from land to sea. Here we describe the annual load of dissolved Si (DSi) in the influent of the second largest wastewater treatment plant (by volume) in the United States (Deer Island Wastewater Facility, Boston, MA). We partition the ∼69 500 kmol DSi year(-1) influent load between three sources: runoff (12%), groundwater infiltration (39%), and sewage (49%). Based on these results, we hypothesized that instead of being delivered to local rivers, DSi in groundwater and runoff is redirected to the combined stormwater-sewage overflow system. To test this hypothesis we compared long-term (2007-2012) observations of DSi flux from the three urban rivers surrounding Boston to modeled DSi fluxes based on land use and land cover. As predicted, the modeled fluxes were higher than the measured fluxes indicating that the sewage infrastructure of Boston diverts watershed DSi to the treatment plant. This research increases our understanding of human changes to the Si cycle, demonstrates the potential usefulness of DSi as a groundwater infiltration tracer within sewage treatment systems, and highlights the underappreciated interannual variability of riverine DSi fluxes.

show abstract

Section: Materials and Methodsmentioning

confidence: 99%