All news related to Microbial Risk Assessment

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

Study launched to gain approval to use ddPCR for measuring sewage spills, fecal contamination at beaches in City of Los Angeles

SCCWRP and the City of Los Angeles have begun working to earn regulatory approvals to use a rapid, DNA-based method for detecting fecal contamination at City beaches – an advance ... More

Sampling completed for study probing relationship between HF183 and illness risk

SCCWRP and its partners have successfully completed field sampling for a four-year study probing the relationship between levels of the fecal contamination marker HF183 in wet-weather runoff and the risk ... More

Second phase launched for Newport Bay study revisiting shellfish water-quality standard

SCCWRP and its partners have launched the second and final phase of a study examining whether an existing water-quality standard designed to protect the health of people who consume shellfish ... More

Study probes utility of virus method for fecal detection

The Southern California Bight 2018 Regional Monitoring Program has completed a study that found that an alternative, virus-based method for tracking fecal contamination can be used as an effective complement ... More

County first to monitor beach fecal pollution via ddPCR

San Diego County has become the first municipality in the nation to end its reliance on decades-old methods for monitoring fecal contamination in beach water in favor of a rapid, ... More

Variants of COVID-19 virus detected in Southern California wastewater streams

SCCWRP and its partners have found that variants of the SARS-CoV-2 virus – including mutations found in the virus’s Eta variant lineage – can be detected in wastewater influent streams ... More

Scientific foundation established to question California shellfish water-quality objective

SCCWRP and its partners have completed a study that calls into question the appropriateness of a bacterial water-quality numeric objective designed to protect the health of people who consume shellfish ... More

Wastewater samples collected from 9 local POTWs to build national COVID-19 surveillance system

SCCWRP and its partners have collected and preserved wastewater influent samples from nine Southern California treatment plants over the past four months for a national study investigating how wastewater influent ... More

Field sampling completed for shellfish water-quality study in Newport Bay

SCCWRP and its partners have completed field sampling for a study examining whether a water-quality standard designed to protect the health of people who consume shellfish from Newport Bay in ... More

Bight ’18 Microbiology element preparing to kick off field sampling for coliphage method evaluation study

Participants of the Southern California Bight 2018 Regional Monitoring Program’s Microbiology element will initiate field sampling in August for a study evaluating the relevance and reliability of using coliphage viruses ... More

Newport Bay study to examine scientific basis for shellfish water-quality standard

SCCWRP and its partners will launch a study in May evaluating whether a water-quality standard designed to protect the health of people who consume shellfish from Newport Bay in Orange ... More

Effort to model health risks to Inner Cabrillo beachgoers wraps up

SCCWRP and its partners have completed a three-year effort to identify the sources of persistent fecal contamination at Inner Cabrillo Beach in Los Angeles County and to model health risks ... More

Bight ’18 Microbiology element initiates lab training for coliphage-based water-quality monitoring method

Participants of the Southern California Bight 2018 Regional Monitoring Program’s Microbiology element have begun laboratory training for a study that will evaluate the relevance and reliability of using coliphage viruses ... More

Accuracy of QMRA health risk modeling approach validated with epidemiology data

SCCWRP and its partners have shown that a health risk modeling approach known as Quantitative Microbial Risk Assessment (QMRA) can be used to accurately estimate illness rates for beachgoers who ... More

Summer sampling completed to support health risk modeling study

SCCWRP and its partners have completed an initial round of sampling at Inner Cabrillo Beach for a study that aims to ascertain whether high fecal indicator levels at the Los ... More

Surfer rainfall study helps focus water-quality discussion

SCCWRP and its partners have completed a three-year epidemiological study examining the health impacts of entering coastal waters during and shortly after rainfall, a study that has raised important public ... More

Human fecal contamination sources identified at Inner Cabrillo Beach during QMRA study

A SCCWRP-led effort to use a health risk modeling approach known as Quantitative Microbial Risk Assessment (QMRA) at Inner Cabrillo Beach in Los Angeles County has turned up evidence that ... More

SCCWRP to test new EPA health risk model at Inner Cabrillo Beach

SCCWRP in May will launch a first-of-its-kind study aimed at ascertaining whether high fecal indicator bacteria Ievels at Inner Cabrillo Beach in the Los Angeles Harbor area are indicative of ... More