HomeMy WebLinkAbout10.a. Receive Annual Recycled Water Program Update Page 1 of 8
Item 10.a.
CENTRALSAN
jdf A- hom
CENTRAL CONTRA COSTA SANITARY DISTRICT
November 17, 2022
TO: HONORABLE BOARD OF DIRECTORS
FROM: RICHARD FOSS, ASSOCIATE ENGINEER
REVIEWED BY: DAN FROST, SENIOR ENGINEER
DANEA GEMMELL, PLANNING AND DEVELOPMENT SERVICES DIVISION
MANAGER
ROGER S. BAILEY, GENERAL MANAGER
SUBJECT: RECEIVE ANNUAL RECYCLED WATER PROGRAM UPDATE
Staff submitted the calendar year 2021 Recycled Water Quality and Distribution Annual Report to the
Regional Board in April 2022. Staff will present that information and the in progress information for
calendar year 2022 in the attached presentation.
Strategic Plan re-In
GOAL ONE: Customer and Community
Strategy 1—Deliver high-quality customer service
GOAL TWO: Environmental Stewardship
Strategy 1 -Achieve compliance in all regulations, Strategy 3- Be a partner in regional development of local water
supply, Strategy 4- Identify and advance sustainability initiatives, including reducing energy usage and emissions
ATTACHMENTS:
1. Presentation
November 17, 2022 Regular Board Meeting Agenda Packet- Page 59 of 101
Page 2 of 8
November 17,2022
Recycled
Water Program
Update
Richard Foss, P.E.
Associate Engineer a _ -
e �-y ■
Recycled Water Program Administrator
1
1
Recycled Water Program Update
Recycled Water Users: Commercial Truck Fill (AutoFill
Treatment Plant Utility Water Station & Hydrants)
Zone 1 Customers (Purple Pipe) Residential Fill Station
Treatment Plant Production & Usage
j
f 650 601 ,R,
H 600 57 580 538 557
p 550 - 511
500 528 534 527
450
c 400
350 410 411
f 300 400 377
250 355 316 356 316 323
200 295 319
2011 2012 2013 2014 201s 2016 2017 2018 2019 2020 2021
Year -*--Production
tUsage
2
November 17, 2022 Regular Board Meeting Agenda Packet- Page 60 of 101 1
Page 3 of 8
Zone 1 (Purple Pipe) Distribution System
II '�
• 56 metered sites
250 229 238
208 217 208
E 200 190 194
167 189 195 199*
150
� 151
c -
100
50 — - - -,
0
2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022*
Year
*Consumption through September 2022
3
Commercial Truck Fill Program
6 5.5
=Z -- -
5 5.
4.4 l
4
L 9 �
O
3 y ri
c 2
U0.6O.6
,`S
0 .3
_
2014 2015 2016 2017 2018 2019 2020 2021 2022*
Year,
*Consumption through September 2022 'a
24,
4
November 17, 2022 Regular Board Meeting Agenda Packet- Page 61 of 101 2
Page 4 of 8
e use of potable water,except with the use of a positive
shut-off nozzle,for the individual private washing of motor
vehicles.
Drought: Possible Increased d.The user within 4ingots turf and omable rainfall
landscapes
during and within 48 hours offer measurable rainfall of of least
of Truck Fill Customer Demand one-fourth of one inch
erfori.
e.The a we for in.
ion I turf on
ublic street medians.
f. The use of potable water for street cleaning or construction
purposes,unless no other source of water or other method
October 19, 2021 Governor's Proclamation of a can be used or if necessary,to protect the health and safety
Of the public-
State of Emergency(re: statewide drought) g, table water fordecorailve faun afilling
oriopping-off o e ponds,with exceptions
If drought conditions persist,water purveyors for those decorative fountains,lake5,orponds which utilize
may impose additional limitations on their recycled water.
hydrant program 1a.The Caafomia Department of Food and Agriculture,in collaboration
With other relevant state agencies,shall evaluate water efficiency
measures implemented in California agriculture over the post
The Commercial Truck Fill Program is ready to several years cnd develop a report with recommendations o how
serve additional customers to further increase efficiencies.
11.The Office of Emergency Services shall provide assistance under the
Staff are in the process of securing additional authority of the California Disaster Assistance Act,Government
hydrant meters as backups to AutoFill Station Code section 8680efseq.,and California Code of Regulations,title
9,seciton 2900 et seq.,as appropriate to provide for,or in support
of,the temporary emergency supply,delivery,or both of drinking
Staff also reviewed eligibility requirements to water or water for sanitation purposes.
expand the Commercial Recycled Water Truck rorpurposesat carrying out or approving any actions
Fill Program to include commercial customers ontemplated by the directives in operative paragraphs 5,6,and 9,
onVthe
without a contractor's license to apply amid
reniewby5tye tinPub5raesour es Co
omia Environmental Quality Actin Public Resources Code,
13(commencing with Section 21000)and regulations
pursuant to that Division are hereby suspended to the
5
ll
Residential Fill Station Program
14
12
�r
E 10 11.8
r 8 ,
c
0
b 6.0*
f, 6 5.1
c
0 6.5
f 4
2.3a :;
2 1.3 1.0 x
2.6
2015 2016 2017 2018 2019 2020 2021 2022
Year
*Consumption through September 2022
6
November 17, 2022 Regular Board Meeting Agenda Packet- Page 62 of 101 3
Page 5 of 8
Residential Fill Station Program
Gallons Taken by Month
1,200,000 ■2020
1,000,000 ■2021
■2022
800,000
0
to 000,000
l9
400,000
200,000
0 J
� Fe 1 P° we O` ore ewe
7
Residential Fill Station Program
New Registered Users by Community
Total 2020
90 Total 2021 Registered Users12%T
80 7%T
Overall Total Registered Users=2 995
70
j 60
0 50
a� 40
E 30 —
Z 20
10
0
°�, O ��°� cS° � ocG e ea
a\ ° � ` �
0
\e `otQ
I
8
November 17, 2022 Regular Board Meeting Agenda Packet- Page 63 of 101 4
Page 6 of 8
Residential Fill Station Program
Number of Visits by Community
12,000
10,000 370%T
a = 30%T
8,000
a�
6,000
4,000
Z
2,000
0
o Q \�ra� \°� e�w� S op a
°`,
& o Or
&'�ti
G0
f'
9
ecycled Water Self-Monitoring Quarterly Reports
Self-Monitoring Quarterly Qr�ro �r� h[16Uwdr,on��rR�,�rro�r•�m�o���-•ror�
seo-���a,�a-Pn..�.w�cl d.414dr•§^cal mrrerw�r,
Reports ' k.W
•.ue,lar S:my 1-SaplemMe SO Repsrl aelween Oetebr 1 end 15,5022
•Wurkr a:Ood.r:-parn:d,.r]I
all rar:mrw.rrrr,n�rp4k rVw wrllnetLmwly 9ed,w,irw rr__PPyoi r:W dr w,=.le'y-�w I:ai..;rig she y,Wr>ar
ard.rorny.nwn.wue,ud re.yelwlr,ykr,dN,..
Quarterly inspections required for all sites
UAW TO RWC"
Customers submitting mandatory self-
monitoring reports since 2021
Central San continues to use online survey tool . .
launched in 2020
In 2021, received 98%response rate (188 of
191 reports required)
gaaner 3:July1,2022-September 30,2022
Over 30 responses requiring customer follow-
up (training,signage, leak response) na,ereryed"e,,,'Raame-
Central San conducts annual site inspection to
maintain customer engagement and check sites
x.�;dyon�r.e�yld,�,er,noR„—l.s0e,.
Q�
10
November 17, 2022 Regular Board Meeting Agenda Packet- Page 64 of 101 5
Page 7 of 8
Zone 1
New Landscape Irrigation Customers in 2021
Diablo Valley Plaza Oak Pyggq�Ilark and Monticello Street Landscaping
FW-
d I
r r 3C
a -
ift
11
Zone 1
New Landscape Irrigation Customers in 2022
Sage Veterinary Center—April 711
Concord Mazda -July 22nd
Pleasant Hill Library-September 19tn
L 00 t
F
k
I
12
November 17, 2022 Regular Board Meeting Agenda Packet- Page 65 of 101 6
Page 8 of 8
Planning for Future Recycled Water Use
• Re-Development within Zone 1 1
o Diablo Valley College—Dual Plumbing for Four New Buildings
o Park near old Pleasant Hill Library
Future sports fields near Pleasant Hill Library
Re-Development of the Concord Naval Weapons Station
(Concord Community Reuse Project)
Lamorinda Recycled Water Project (Shell Pipeline) Feasibility
Satellite Water Recycling Facilities (SWRFs)
Advanced Recycled Water (Refinery Recycled Water
Exchange, Indirect/Direct Potable Reuse)
I
13
Acknowledgements
Plant Operations &Maintenance Staff _
Operate and maintain treatment and storage facilities r
Collection System Operations Staff `
Operate and maintain distribution system
Inspect and visit sites,perform cross-connect testing
Laboratory Staff
Sample and analyze recycled water
Accounting Staff ` "� ,•
Invoicing and accounting for customers
Household Hazardous Waste Collection Facility Staff
Manage and administer residential fill station program
Permit Counter&Inspection Staff
Permit and inspect new connections and mainline extension
Planning Staff
Manage and administer Zone 1 and Truck Fill programs
Lead Title 22 monitoring and reporting,program coordination
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November 17, 2022 Regular Board Meeting Agenda Packet- Page 66 of 101 7