All news related to Southern California Stormwater Monitoring Coalition

SMC study examining why some modified channels are healthier than others

The Southern California Stormwater Monitoring Coalition (SMC) has launched an investigation into why some streams that have been modified via channel hardening have healthier biological communities than others – part ... More

Modeling work underway for study probing relationship between HF183 and illness risk

SCCWRP and its partners have begun working to model the levels at which exposure to the fecal contamination marker HF183 in wet-weather runoff is associated with increased illness risks for ... More

Regional BMP monitoring program adds monitoring sites in second year of BMP performance monitoring

The Southern California Stormwater Monitoring Coalition (SMC) has expanded the number of structural BMPs where field teams are collecting data on the performance of structural stormwater BMPs as the SMC ... More

SMC studies being used to investigate BMPs’ potential to remove microplastics in runoff

SCCWRP and its partners have initiated a pair of studies exploring the potential of different types of stormwater BMPs to reduce microplastics pollution in runoff – with both studies leveraging ... More

Analysis initiated to understand how flow patterns affect biological health of modified channels

The Southern California Stormwater Monitoring Coalition (SMC) has begun examining how flow alterations affect the biological health of streams that have been modified via channel hardening – part of a ... More

SMC planning to double size of Regional BMP Monitoring Network for Year 2 of BMP performance monitoring

The Southern California Stormwater Monitoring Coalition (SMC) is planning to double the number of sites where field teams are collecting data on the performance of structural stormwater BMPs as the ... More

Custom-built rainfall generator that creates controlled wet weather conditions to be used initially for street sweeping study

SCCWRP has developed a custom-built, field-deployable rainfall generator capable of creating repeatable, controlled wet- weather conditions to support a study investigating the effectiveness of routine street sweeping in removing contaminants ... More

Study shows more than 77% of Southern California’s coastal stream kilometers contains trash

The Southern California Bight 2018 Regional Monitoring Program has published the findings of a regional survey of trash in aquatic environments that concluded that 77% of Southern California’s 4,600 miles ... More

Mechanistic study to open stormwater BMP ‘black box’

SCCWRP and its partners have launched a three-year study to characterize the mechanistic inner processes by which a ubiquitous class of stormwater BMPs (best management practices) removes common types of stormwater ... More

Microplastics added as focal point in SMC street sweeping study

Researchers will investigate the effectiveness of street sweeping in removing microplastics that enter storm drains and contribute to runoff pollution as part of a newly launched Southern California Stormwater Monitoring ... More

BMP performance data collected from 5 sites to support regional monitoring network

The Southern California Stormwater Monitoring Coalition (SMC) has successfully collected monitoring data on the performance of structural stormwater BMPs (best management practices) at five sites – a key milestone in ... More

SMC study to probe effectiveness of street sweeping for reducing runoff pollution

The Southern California Stormwater Monitoring Coalition (SMC) has launched a three-year study to investigate the effectiveness of routine street sweeping in removing contaminants that enter storm drains and contribute to ... More

SMC develops workplan for regional BMP performance monitoring network

The Southern California Stormwater Monitoring Coalition (SMC) has developed a detailed workplan for how it will build a new regional monitoring network to investigate the performance of a wide variety ... More

Performance effectiveness of two non-structural BMPs to be quantified through SMC study

The Southern California Stormwater Monitoring Coalition (SMC) has decided to quantify the performance effectiveness of two types of non-structural stormwater BMPs (best management practices) – part of a renewed focus ... More

SMC completes intercalibration for stream monitoring program after 2-year hiatus

The Southern California Stormwater Monitoring Coalition (SMC) has completed an in-person field intercalibration exercise for its Regional Watershed Monitoring Program that demonstrated that program participants have been able to maintain ... More

Stormwater drainage conference helps connect SCCWRP to researchers worldwide

SCCWRP hosted an international engineering conference focused on improving modeling of urban stormwater drainage systems over a three-day period in January that attracted 146 researchers and practitioners – more than ... More

SMC preparing to kick off pilot phase to build regional BMP performance monitoring network

The Southern California Stormwater Monitoring Coalition (SMC) is preparing to kick off the initial pilot phase of a SCCWRP-led effort to build a regional network for monitoring the performance of ... More

Workplan developed for third cycle of SMC’s regional stream monitoring program

The Southern California Stormwater Monitoring Coalition (SMC) has finalized plans for the third cycle of its Regional Watershed Monitoring Program that kicks off this spring. The cyclical program’s workplan – ... More

Regional monitoring network being built to evaluate BMP performance

The Southern California Stormwater Monitoring Coalition (SMC) has begun building a regional monitoring network for tracking the performance of a wide variety of stormwater BMPs (best management practices) – a ... More

SMC study suggests not all strategies to protect health of erosion-prone streams created equal

The Southern California Stormwater Monitoring Coalition (SMC) has completed an analysis shedding light on whether next-generation management strategies for reducing erosion risk in streams could be more effective at protecting ... More

SMC develops roadmap to improve runoff water quality

The Southern California Stormwater Monitoring Coalition (SMC) has unveiled a comprehensive, multi-faceted research agenda that lays out a vision and roadmap for how the region’s stormwater management community will collaborate ... More

Sites being identified for evaluating effectiveness of stormwater BMPs

The Southern California Stormwater Monitoring Coalition (SMC) has begun identifying about a half-dozen sites that will serve as case studies for examining the effectiveness of stormwater BMPs (best management practices) ... More

SMC’s renews Master Agreement through 2024

The Southern California Stormwater Monitoring Coalition in July renewed its Master Agreement for another five years, continuing the SMC’s research and monitoring agenda through 2024. SMC member agencies include eight ... More

Three key stream condition indicators integrated via index

The Southern California Stormwater Monitoring Coalition (SMC) and SCCWRP have developed a new assessment tool that synthesizes three key lines of evidence about the ecological health of wadeable streams to ... More

SMC regional monitoring to include stormwater BMP effectiveness evaluation

The Southern California Stormwater Monitoring Coalition has begun designing the next five-year cycle of its stream monitoring program to include a regional evaluation of the effectiveness of stormwater BMPs (best ... More

SMC conducting trash surveys in watersheds to support Bight ’18

The Southern California Stormwater Monitoring Coalition (SMC) has launched trash sampling surveys in wadeable streams across coastal Southern California to support the Southern California Bight 2018 Regional Monitoring Program’s efforts ... More

Management impacts of stream biointegrity policies explored in new SMC report

The Southern California Stormwater Monitoring Coalition (SMC) has released a comprehensive new report chronicling how the region’s stream management community will potentially be impacted by new and proposed changes to ... More

SMC open-data portal under development to streamline data management

The Southern California Stormwater Monitoring Coalition (SMC) has begun developing a comprehensive data management system intended to streamline data submission, quality-control checks and data analysis. Built on the Esri ArcGIS ... More

Bioassays show promise for CEC screening in SMC study

SCCWRP and its partners have demonstrated in a proof-of-concept study that commercially available bioanalytical tools have the potential to cost-effectively screen Southern California waterways for the presence of bioactive contaminants ... More

SMC kicks off Year 3 field sampling for second cycle of stream monitoring program

The Southern California Stormwater Monitoring Coalition in March kicked off Year 3 of field sampling for the second five-year cycle of its regional stream monitoring program. The SMC Regional Watershed ... More

SMC kicks off Year 3 field sampling for second cycle of stream monitoring program

The Southern California Stormwater Monitoring Coalition in March kicked off Year 3 of field sampling for the second five-year cycle of its regional stream monitoring program. The SMC Regional Watershed ... More

SMC completes analysis of bioassessment scores for engineered channels

The Southern California Stormwater Monitoring Coalition has completed a comprehensive analysis of the range of ecological condition scores obtained when engineered channels across coastal Southern California are scored using existing ... More

SMC kicks off second-year sampling with new program elements

The Southern California Stormwater Monitoring Coalition kicked off second-year sampling in March for the second cycle of its Regional Watershed Monitoring Program. New program elements being incorporated into the second ... More

SMC samples advance to nontargeted analysis phase of CEC monitoring framework

SCCWRP and its collaborators have advanced some of the 31 water samples collected by the Southern California Stormwater Monitoring Coalition (SMC) to the nontargeted phase of chemical analysis, a recognition ... More

Stream survey tracks biological degradation across Southern California

A five-year monitoring study of Southern California’s perennial wadeable streams has found that 75% of the region’s 4,300 miles of streams are degraded, with no discernable improvements in the health ... More