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VIDEO. From the Sewer Authority Mid-Coastside (SAM) Director’s meeting on Monday, April 25th, 2022 at 7:00pm by Zoom.
Informational. Discuss Real Time Information to Improve Treatment Process Performance by Sentry Water Tech.
Critical Carbon Content (CCC) which will help track BOD and COD on a real time basis using an online SCADA system, with a probe that gets into the water. $4,900 for 6 month service piloting this new technology.
The biochemical oxygen demand (BOD) represents the amount of dissolved oxygen (DO) consumed by biological organisms when they decompose organic matter in water. The chemical oxygen demand (COD) is the amount of oxygen consumed when the water sample is chemically oxidized.
Full Agenda and Staff Report for 4/25/2022
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SAM Presentation by Sentry April 22 2022
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Background and Discussion/Report
Sentry Water Tech reached out to SAM to provide real-time information to the facility operations staff that is not available through any other sensor system to improve treatment process performance.
Sentry is a bioelectrode sensor platform and is a living biological sensor which reacts to changes in environmental conditions in real time. The sensor generates electricity as carbon compounds are reduced.
It measures the Carbon Consumption Rate which is the electron flow from the breaking of chemical bonds. This represents the amount of carbonaceous food being consumed by the bio film and can be related to the Chemical Oxygen (COD) demand which the plant measures to improve the treatment process performance.
SAM is presently doing a 6-month pilot service and has installed the Sentry unit.
A representative from Sentry will be making a presentation at the board meeting.
Sewer Authority Mid-Coastside (SAM) Meetings ~ 2nd & 4th Mondays @ 7:00pm
Watch remotely. Comments and questions by email.
Agendas and Zoom Links
SAM Meeting Videos via Pacific Coast TV
Contact Us
Our Mailing Address is:
Sewer Authority Mid-Coastside
1000 Cabrillo Hwy N.
Half Moon Bay, CA 94019
Yellow = cancelled SAM meeting due to Holidays
(650) 726-7833 (fax)
Regular Board Meetings are on the 2nd and 4th Mondays of each month at 7:00pm.
From time to time a meeting date may be changed, cancelled or relocated. Check the posted agenda for any changes to the normal schedule (click on links below).
The Sewer Authority Mid-Coastside (SAM) provides wastewater treatment services and contract collection maintenance services for a population of approximately 27,000 in the following areas:
- City of Half Moon Bay
- El Granada
- Miramar
- Montara
- Moss Beach
- Princeton by the Sea
SAM Directors
Barbara Dye
Chair, Representing Granada Community Services District
Deborah Ruddock
Vice-Chair, Representing the City of Half Moon Bay
Kathryn Slater-Carter
Secretary/Treasurer, Representing Montara Water and Sanitary District
Dr. Deborah Penrose
Director, Representing the City of Half Moon Bay
Ric Lohman
Director, Representing Montara Water & Sanitary District
Matthew Clark
Director, Representing Granada Community Services District
Author: Coastside Buzz
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