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Don’t Rush to Flush — Flushing Do’s and Don’ts

By Chelsea McGimpsey | April 13, 2020 | 0 Comments

Flushing Do’s and Don’ts Did you know that wipes, paper towels and similar products, when flushed down toilets, do not break down properly and can cause significant problems for our sewer system and treatment plants? And don’t be fooled by those products labeled as ‘flushable’ – they are not compatible with sewer systems, the material […]

Minor Modifications to Table 1-2 and Section 1.4.1 of Model BMP Design Manual

By chris | May 5, 2020 | 0 Comments

The following minor edits were made to the May 2018 Model BMP Design Manual: Section 1.3, Table 1-2, Page 1-6. Applicability of Permanent, Post-Construction Storm Water Requirements. Removed “Maintenance activities that are part of a larger master planning effort…” Section 1.4.1.(f), Page 1-9. New or redevelopment projects that result in the disturbance of one or […]

Update to May 2018 Carlsbad WQIP Creates Escondido Creek HMP Exemption

By chris | January 18, 2019 | 0 Comments

An update to the May 2018 Carlsbad Water Quality Improvement Plan (WQIP) includes the Escondido Creek HMP Exemption. Documents related to the Carlsbad WQIP are available for download.

Minor Modification to Summary Page of Model BMP Design Manual

By chris | January 18, 2019 | 0 Comments

A minor edit was made to the May 2018 Model BMP Design Manual (summary page i). The sentence below: “This updated manual replaces and supersedes the February 2016 manual and is effective May 15, 2016.” Now reads as following: “This updated manual replaces and supersedes the February 2016 manual.” Thus removing a typographical error. Also, […]

San Diego Bioretention Media Survey White Paper Now Available

By chris | January 18, 2019 | 0 Comments

This White Paper is a study of regionally available Bioretention Soil Media (BSM) that lead to the County-wide refinement of BSM specifications. The paper is available for download.

Report of Waste Discharge – Regional Monitoring & Assessment Report 2017

By Rouya Rasoulzadeh | December 28, 2017 | 0 Comments

2017 Report of Waste Discharge – Regional Monitoring & Assessment Report The ROWD-RMAR document was delivered to the San Diego Regional Water Board on December 27, 2017 Final documents are available here to download.

Call for Projects – Santa Margarita WMAA

By Rouya Rasoulzadeh | February 21, 2017 | 0 Comments

Santa Margarita WMAA Call for Projects The County of San Diego is preparing a list of candidate projects to be included in the Santa Margarita River Watershed Management Area Analysis (WMAA), which is an optional attachment to the Santa Margarita River Water Quality Improvement Plan. Please see attached Call for Projects letter for details. Project suggestions […]

Infiltration Infeasibility Documentation Guidelines from RWQCB

By Reynaldo | September 25, 2017 | 0 Comments

The letter that the RWQCB wrote to describe the documentation needed to support the infeasibility of infiltration onsite has been posted here: Priority Development Project Infiltration Infeasibility Documentation Guidelines

SDHM 3.1 Training Slides Posted

By Reynaldo | July 24, 2017 | 0 Comments

The May 2017 training presentation slides about the new version of the San Diego Hydrology Model (SDHM) 3.1 are now available for download here. The newest version of the model is also available here.

Otay River HMP Exemption

By Reynaldo | July 20, 2017 | 0 Comments

A portion of the Otay River was included as exempt from Hydromodification Management Plan requirements through the WQIP Annual Reporting process. The WMAA mapping has been updated to reflect this change. The PDFs of the data can be found on the WMAA page here. The GIS data is available here.