1 Regulations Basics: Water Quality Sampling December 16, 2015 Online WELCOME! This training is presented by RCAC with funding provided by the California State Revolving Fund (SRFCA) from the California State Water Resources Control Board, Division of Drinking Water (DDW)
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
1
Regulations Basics: Water Quality Sampling
December 16, 2015 Online
WELCOME!
This training is presented by RCAC with funding provided by the California State
Revolving Fund (SRFCA) from the California State Water Resources Control Board,
MCLs are health-based enforceable water quality standards.
True
False
Monitoring Schedule: Review
Monitoring schedule are complex and unique to a water system.
True
False
26
Monitoring Schedules: Review
Source of supply, size of system, the health effects of the contaminant, and history of contaminant occurrence are all factors that determine the frequency of monitoring for a particular contaminant.
True
False
Questions?
27
Today’s Agenda
• Background – Importance of Water Quality Sampling
• Pre-Test
• Water Quality Sampling• Sampling & Safe Drinking Water Act compliance
• System sampling plan
• Sampling required by each Rule (SWTR, DBPR)
• Post-Test
• Additional Resources
Sampling under SDWA RegsRule / Section Type of monitoring
Total Coliform Rule Bacteria
Fluoridation Fluoride
Radionuclide Rule Radioactive elements (U, Ra, alpha, beta)
Organics / Inorganics Pesticides, herbicides, metals, other compounds
Secondary MCLs Color, odor, cloudiness
General physical ph, hardness, alkalinity
DBPR THMs, HAAs, bromate, chlorite, residuals
SWTR Turbidty, disinfection
LCR At-the-tap lead & copper
GWR Bacteria / viruses
28
Total Coliform Rule
• Monthly or more frequently
• “Representative” locations
• 100 mL sample size
• Analyzed for: total coliform & E.coli
• result more sampling
29
Radionuclides
• Initial: 4 quarterly samples from each source of supply
• Additional monitoring based on initial results
• Quarterly to once every nine years
• Uranium and Radium
Poll Time!Question 3: How often does your system test for radionuclides?
30
Primary Standards: Organics/Inorganics/Metals
• Initial: 4 quarterly samples from each source of supply
• Additional monitoring based on initial results
• Quarterly to once every three years
• Waivers ask your DDW engineer
Secondary MCLs
31
General Physical Samples
• DDW may require general physical samples (color, odor, turbidity) in the distribution system
• If required sample frequency is:
• >1,000 connections: 1 sample every 4 TCR samples
• 200 to 1,000 connections: 1 sample per month
• <200 connections, per DDW/LPA
Disinfection By-Products Rule
• Use a disinfectant?
• THMs/HAAs
• Quarterly in the distribution system
• Bromate/Chlorite
32
Surface Water Treatment Rule
• Treatment Technique (TT) monitoring in lieu of direct monitoring
• TT monitoring at IFE and CFE, continuous monitoring*
• Raw water sampling
Lead & Copper Rule
33
Groundwater Rule
• All groundwater systems
• Triggered by positive routine TCR sample
• Treatment required?
• TT monitoring
• 4-log virus removal/disinfection
Post-Session Quiz
34
Resources
• California Drinking Water Regulations http://www.waterboards.ca.gov/drinking_water/certlic/drinkingwater/documents/lawbook/dwregulations-2014-07-01.pdf
• DDW Water Board http://www.waterboards.ca.gov/drinking_water/programs/index.shtml
This document was prepared using funds under Agreement 15-017-550 with the California State Water Resources Control Board; the total Agreement is for $3,971,379 and will produce multiple documents.
RN23
Slide 68
RN23 Insert correct date and trainer names and emails.RosAnna Noval, 12/14/2015
35
Session Evaluation
• Go to file, click on “close or leave session”
• Evaluation automatically pops up
• If it does not, one will be e-mailed to you within 24 hours