SCIENTIFIC STUDY
2015 Yuma fly-pathogen report
About this source
University of Arizona Cooperative Extension report with Yuma County Pest Abatement District, dated July 13, 2015.
- Source type
- Scientific study
- Source classification
- Primary source
- Source date
Relevant excerpt / notes
Producer: University of Arizona Source class: Primary record or first-party statement. What it supports: University of Arizona Cooperative Extension report with Yuma County Pest Abatement District, dated July 13, 2015. Limitations: Pooled trap samples, including positive Salmonella results at biosolids locations, are not a test of every fly or evidence of human disease, crop contamination or current regional source shares. Date: 2015-07-13. Reviewed September 19, 2026.
Publisher / issuing organization 1
Related claims 1
- VerifiedBiosolids-site fly samples tested positive for Salmonella in 2015.
The result concerns pooled traps at sampled locations.
Timeline events 1
- University and Pest Abatement District report on fly pathogens
The report bears July 13, 2015 as its date. Its pooled-sample findings concern the studied sites and trapping events, not current regional causation.
Related articles 2
- The Yuma Biosolids Dispute: A Timeline
A chronology of supported research, requests and public actions, with event dates kept separate from scientific findings.
- The Yuma Fly Problem: What the Evidence Shows and What It Doesn’t
Historical studies, County statements and current complaints answer different questions. None should be made to prove more than it measured.
People 1
- Paula Rivadeneira
Paula Rivadeneira is identified with the University of Arizona Yuma Agricultural Center on the April 24, 2018 presentation about potential fly sources. The role is historical; current employment is not inferred.
Organizations 3
- South Yuma County Landfill
The South Yuma County Landfill is named as a study location in the historical fly research. This reference does not establish available capacity, a biosolids acceptance commitment or current pricing.
- University of Arizona
University researchers and extension personnel produced historical Yuma fly research and PFAS studies. The institution’s communications articles are distinguished from original studies.
- Yuma County Pest Abatement District
The district is identified as a collaborator in the July 2015 University of Arizona fly-pathogen report. This is a date-specific research role.
Related topics 1
- Yuma Biosolids / AgTech
A source-first guide to Yuma’s biosolids debate: the lease decision, City contract, fly research, PFAS questions and the records still needed.