DEPARTMENT OF PUBLIC HEALTH Cross Connection & Water Pollution - - PowerPoint PPT Presentation

▶
department of public health
SMART_READER_LITE
LIVE PREVIEW

DEPARTMENT OF PUBLIC HEALTH Cross Connection & Water Pollution - - PowerPoint PPT Presentation

Apr 02, 2023 377 likes •792 views

COUNTY OF LOS ANGELES DEPARTMENT OF PUBLIC HEALTH Cross Connection & Water Pollution Control Plan Check Process for Alternate Water Systems Robert Bueras, R.E.H.S. Environmental Health Specialist III County of Los Angeles Department of

slide-1
SLIDE 1

COUNTY OF LOS ANGELES DEPARTMENT OF PUBLIC HEALTH

Cross Connection & Water Pollution Control

Plan Check Process for Alternate Water Systems

Robert Bueras, R.E.H.S. Environmental Health Specialist III County of Los Angeles Department of Public Health Cross Connection & Water Pollution Control Program Environmental Protection Branch

slide-2
SLIDE 2

1

I. INTRODUCTION

  • II. SB 966
  • III. DEFINE: ALTERNATE WATER SOURCES
  • IV. PLAN CHECK SUBMITTAL & REVIEW

PROCESS

  • V. SITE INSPECTIONS & FINAL
  • VI. CONCLUSION
slide-3
SLIDE 3

PROGRAM GOAL:

The Cross Connection & Water Pollution Control Program is responsible for the enforcement of statutes, regulations and applicable ordinances related to cross connection control, i.e., the prevention of non-potable/unapproved water supplies or other substances from entering the potable water supply system.

slide-4
SLIDE 4

Why Establish a Cross Connection Program?

3

In every chapter associated with alternate water supplies (Chapter 15 & 16), a section for Cross-Connection testing is included

slide-5
SLIDE 5
  • Guidelines for harvesting rainwater, stormwater & Urban runoff of outdoor non-

potable uses

  • A living document formulated in 2011
  • No other guideline available

4

slide-6
SLIDE 6

Alternate Water Matrix - 2016

5

Tier 1A: Rain (NP) Tier 1B: Rain (P) Tier 2: Gray Tier 3: Storm Tier 4 Recycled

slide-7
SLIDE 7

Alternate Water Sources

  • “Alternate Water Sources for non-potable applications”
  • Recycled water
  • Rainwater - Harvested
  • Stormwater - Collected
  • Urban run-off
  • Graywater – reuse
  • Foundation Drainage Systems
  • Black water

6

slide-8
SLIDE 8

7

SENATE BILL 966

FOR ON-SITE TREATED NONPOTABLE WATER SYSTEMS WHICH REQUIRES STATE BOARD TO ADOPT REGULATIONS BY 12-1-2022 FOR RISK-BASED WATER QUALITY STANDARDS FOR MFD’S, COMMERCIAL AND MIXED-USE BUILDINGS. REQUIRES LOCAL JURISDICTION TO ESTABLISH A PROGRAM FOR ON-SITE TREATED NONPOTABLE WATER SYSTEMS. TREATED ALTERNATE WATER SOURCES: GRAY, RAIN, STORM, AND BLACK FOR IRRIGATION, TOILET & URINAL FLUSHING, DUST CONTROL, COMMERCIAL LAUNDRY SERVICES. STATE TO ADDRESS ISSUES SUCH AS: PATHOGENS, MONITORING REQUIREMENTS, PUBLIC INFORMATION & NOTIFICATION, AND CROSS-CONNECTION CONTROL MEASURES. DOES NOT ADDRESS UNTREATED NONPOTABLE WATER SYSTEMS.

slide-9
SLIDE 9

8

COUNTY OF LOS ANGELES DEPARTMENT OF PUBLIC HEALTH

CROSS CONNECTION & WATER POLLUTION CONTROL PROGRAM

Consists of: Chief, Office support staff, 9 inspectors 6 Plan Checkers (1 full time, 5 part time) 3 Field inspectors – surveys 2017 – 382 Plan submittals 59% Rainwater 33% Recycled water 8% Gray / Stormwater 2018 – 443 submittals so far

slide-10
SLIDE 10

Plan Review Process for Alternate Water Systems

  • Submit plans, application & fee
  • Review within 21 calendar days
  • Official Plan Review Report (contingent approval)
  • Pre-construction meeting with contractor
  • Inspections – different phases
  • Final Cross-Connection Shutdown Test
  • Alternate Water Site requiring registration
  • Issuing an annual permit – renewing each year

9

slide-11
SLIDE 11

PLAN CHECK & INSPECTION

10

slide-12
SLIDE 12

11

slide-13
SLIDE 13

12

slide-14
SLIDE 14

13

slide-15
SLIDE 15

14

slide-16
SLIDE 16

15

Foundation drainage

slide-17
SLIDE 17

16

slide-18
SLIDE 18

17

slide-19
SLIDE 19

18

DOMESTIC WATER CONVERSION TO URBAN RUN-OFF TIER 1A BUCKET

slide-20
SLIDE 20

19

UNPRESSURIZED SEWER LINE

slide-21
SLIDE 21

20

slide-22
SLIDE 22

21

slide-23
SLIDE 23

22

slide-24
SLIDE 24

23

slide-25
SLIDE 25

24

slide-26
SLIDE 26

25

slide-27
SLIDE 27

26

slide-28
SLIDE 28

27

slide-29
SLIDE 29

28

slide-30
SLIDE 30

29

slide-31
SLIDE 31

30

slide-32
SLIDE 32

31

slide-33
SLIDE 33

32

slide-34
SLIDE 34

33

slide-35
SLIDE 35

34

slide-36
SLIDE 36

35

slide-37
SLIDE 37

36

GRAYWATER

slide-38
SLIDE 38

37

slide-39
SLIDE 39
slide-40
SLIDE 40

39

County of Los Angeles Department of Public Health Cross-Connection & Water Pollution Control Program 5050 Commerce Drive, Room 116 Baldwin Park, CA 91706 (626) 430 – 5290 ccwpcp@ph.lacounty.gov