HomeMy WebLinkAbout2022-09-01; Water Quality at Hope Elementary School Update (District 2); Gomez, PazTo the members of the:
CITY COUNCIL
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September 1, 2022
CMWD Board Memorandum
To: Board of Directors
From: Paz Gomez, Deputy City Ma ager P lie Works
Vicki Quiram, General Manag
Via: Scott Chadwick, Executive Man ger
Re: Water Quality at Hope Elementary
Ccarlsbad
Municipal Water District
Memo ID #2022097
This memorandum provides follow-up information to previous memoranda submitted to the
Carlsbad Municipal Water District (CMWD) Board of Directors dated March 3, 2022,
March 24, 2022, and April 28, 2022. These memoranda relate to the February 24, 2022, response
to Hope Elementary School after a Carlsbad Unified School District (CUSD) contractor, Erickson-
Hall Construction Company (Erickson-Hall), reported a water quality issue at Hope Elementary
School. As of August 18, 2022, the CMWD completed cross-connection testing at all CUSD
schools in Carlsbad. A schedule of the 2022 CUSD recycled water cross-connection test dates is
provided as Attachment A.
Background
On February 24, 2022, CMWD staff received a call from the Project Manager for Erickson-Hall
requesting assistance with a water quality issue at Hope Elementary School. CMWD staff
immediately responded to Hope Elementary School and disconnected the site from the CMWD's
recycled water supply. On March 10, 2022, the CMWD sent a list of actions that must be taken
before reconnection to the CMWD recycled water system for irrigation at Hope Elementary
School can be made. To date, the CUSD has not completed the actions required for reconnection.
On March 16, 2022, CMWD staff completed an investigation and submitted an Incident Report to
the State Water Resources Control Board (State Water Board) and on April 26, 2022, the CMWD
submitted an Addendum to the Incident Report. On April 7, 2022, the State Water Board emailed
the CMWD follow-up questions on information presented in the Incident Report and on
April 22, 2022, the CMWD responded to the questions. The State Water Board has not yet
formally responded to the Incident Report and additional information provided.
Discussion
The March 24, 2022, CMWD Board Memorandum stated that CMWD staff would work with the
CUSD and the San Diego County Department of Environmental Health and Quality (DEHQ) to
schedule cross-connection testing of the other Carlsbad schools that have recycled water and
projects under construction. As of August 18, 2022, the CMWD completed cross-connection
testing at all CUSD schools in Carlsbad. A schedule of the 2022 CUSD recycled water cross-
Carlsbad Municipal Water District
5950 El Camino Real I Carlsbad, CA 92008 I 442-339-2722 t
Board Memo -Water Quality at Hope Elementary School Update (District 2)
September 1, 2022
Page 2
connection test dates is provided as Attachment A. The results of these tests determined that the
potable and recycled water being served at the schools meets all applicable regulatory standards.
Next Steps
When the CUSD completes the required steps for reconnection of the recycled water at Hope
Elementary School, staff and DEHQ will perform compliance testing before recycled water can be
reinstated for irrigation of the Hope Elementary School campus. Carrillo Elementary School in the
San Marcus Unified School District will be tested, as required, in 2023.
Attachment A: 2022 CUSD Recycled Water Cross-Connection Test Date Schedule
cc: Geoff Patnoe, Assistant Executive Manager
Cindie McMahon, General Counsel
Gary Barberio, Deputy City Manager, Community Services
Laura Rocha, Deputy City Manager, Administrative Services
Robby Contreras, Assistant General Counsel
Jeff Murphy, Community Development Director
Kristina Ray, Communication & Engagement Director
Dave Padilla, District Engineer
Babaq Taj, Engineering Manager
Jason Geldert, Engineering Manager
Eric Sanders, Utilities Manager
Tim Carroll, Senior Engineer
Andrew Wilson, Utilities Superintendent
ATTACHMENT A
2022 School Recycled Water Cross-Connection Test Date Schedule
----------------. ' Site Address 4-Year" Due Date Com~IE:ted -: Shutdown --
Sage Creek High School. 3900 Cannon Rd 8/21/2018 2022 8/18/2022
Poinsettia Elementary 2445 Mica Rd 7/29/2019 2023 8/11/2022
Pacific Rim Elementary 1190 Camino De Las 7/8/2019 2023 8/10/2022 School Ondas
Hope Elementary 3001 Tamarack Av Initial -2021 Recycled Water Off 4/5/2017
Calavera Hills School 4100 Tamarack 7/16/2019 2023 8/2/2022
Aviara Oaks Middle 6990 Ambrosia Ln 8/15/2018 2022 4/21/2022 School
Aviara Oaks Elem. 6900 Ambrosia Ln 8/15/2018 2022 4/21/2022 School
Carrillo Elementary 2875 Poinsettia Ln 8/8/2019 2023 SMUSD-2023 School