Perchlorate DLR (SBDDW-20-001) Complete Rulemaking File
SBDDW 20-001 Complete Rulemaking File
- Certified State Water Board Resolution 2020-0036, Adopting Revised Detection Limits for Purposes of Reporting (DLR) for Perchlorate of 0.002 mg/L and 0.001 mg/L
- Text of Proposed Regulations (as adopted) - October 6, 2020
- Text of Proposed Regulations (corrected printer instruction) – June 2021
- Notice of Proposed Rulemaking, Public Hearing (28 April 2020), and 45-day Notice Period to Consider Proposed Perchlorate DLR Regulations (from 6 March 2020 to 1 May 2020)
- Notice of Proposed Rulemaking emailed on:
- March 6, 2020
- Board Workshops ListServe Subscribers
- Board Meetings ListServe Subscribers
- March 9, 2020
- Drinking Water Announcements ListServe Subscribers
- Administrative Contacts and Carbon Copies for Community Water Systems and Non-Transient Non-Community Water Systems
(Copies of emails are available upon request at DWRegUnit@Waterboards.ca.gov)
- March 6, 2020
- Notice of Proposed Rulemaking emailed on:
- Initial Statement of Reasons (includes Cost Estimating Methodology), January 2020
- Text of Originally Proposed Regulations, January 2020
- Office of Administrative Law (OAL Notice), March 6, 2020:
- Revised Notice of Proposed Rulemaking – Remote Hearing, April 23, 2020
- Revised Notice of Remote Hearing emailed on:
- April 23, 2020
- Board Workshops ListServe Subscribers
- Regulations – General ListServe Subscribers
- April 26, 2020
- Administrative Contacts and Carbon Copies for Community Water Systems and Non-Transient Non-Community Water Systems
- Drinking Water Announcements ListServe Subscribers
- April 29, 2020
- Drinking Water Environmental Lab Accreditation ListServe Subscribers
- April 27, 2020
- Remote Participation Information emailed to Drinking Water Announcements ListServe Subscribers
- Remote Participation Information with Corrected Date emailed to Drinking Water Announcements ListServe Subscribers
(Copies of emails are available upon request at DWRegUnit@Waterboards.ca.gov)
(Both remote participation e-mails included copies of the 23 April 2020 Revised Notice of Proposed Rulemaking – Remote Hearing listed above.) - April 23, 2020
- Revised Notice of Remote Hearing emailed on:
- Statement of Mailing Notice, October 11, 2021
- Public Hearing, April 28, 2020
- Print Transcript of Public Hearing (Available upon request at DDWRegUnit@Waterboards.ca.gov)
- Video Recording of Public Hearing (URL: https://www.youtube.com/embed/PUN0nAyMeWU)
- Staff PowerPoint Presentation (available upon request at DWRegUnit@Waterboards.ca.gov and viewable at URL: https://www.youtube.com/embed/PUN0nAyMeWU)
- Written Comments Received During the 45-day Notice Period from March 6, 2020 to May 1, 2020
- Transmitting Email Including List of Commenters (Available upon request at DDWRegUnit@Waterboards.ca.gov)
- List of Oral Commenters (See also APA hearing transcript, hearing recording, and Final Statement of Reasons for oral comments received. Viewable on YouTube: https://www.youtube.com/watch?v=PUN0nAyMeWU)
- Written Comments Submitted During 45-Day Comment Period (Access to the complete set of written comments is available upon request. Please identify the action by using the State Water Board regulation package identifier, “SBDDW-20-001: Perchlorate DLR” in inquiries to CommentLetters@waterboards.ca.gov)
- Late written comment from Clean Water Action (Available upon request. Please identify the action by using the State Water Board regulation package identifier, “SBDDW-20-001: Perchlorate DLR” in inquiries to CommentLetters@waterboards.ca.gov)
- Notice of Public Availability of Changes to Proposed Regulations Including Addendum to Initial Statement of Reasons and Revised Regulation Text (15-day Notice)
- Notice of Public Availability of Changes to Proposed Regulations emailed on:
- July 20, 2020
- Board Meetings ListServe Subscribers
- Board Workshops ListServe Subscribers
- Drinking Water Announcements ListServe Subscribers
- Administrative Contacts and Carbon Copies for Community Water Systems and Non-Transient Non-Community Water Systems
- Individuals and Entities that Provided Comments During the 45-day Notice Period
(Copies of emails are available upon request at DWRegUnit@Waterboards.ca.gov)
- July 20, 2020
- Notice of Public Availability of Changes to Proposed Regulations emailed on:
- Addendum to Initial Statement of Reasons, July 8, 2020
- Revised Text of Proposed Regulations, July 8, 2020
- Statement of Mailing Notice, June 17, 2021
- Notice of Comment Deadline Extension:
- Transmitting Notice of Comment Deadline Extension emailed on:
- August 7, 2020
- Regulations – General ListServe Subscribers
- Board Workshops ListServe Subscribers
- August 7, 2020
- Transmitting Notice of Comment Deadline Extension emailed on:
- Revised Notice of Changes – Comment Deadline Extension
- Written Comments Received in Response to 15-day Notice Period from July 20, 2020 to August 18, 2020:
- Transmitting Email Including List of Commenters sent on:
- September 16, 2020
- List of Commenters (See Final Statement of Reasons for complete list of comment letters. See also hearing transcript, hearing recording, and Final Statement of Reasons for oral comments received)
- October 1, 2020
- E-mail Regarding Misdirection of PALL Water Comment
(Available upon request at DDWRegUnit@Waterboards.ca.gov)
- September 16, 2020
- Written Comments Received During 15-Day Comment Period
(Access to the complete set of written comments is available upon request. Please identify the action by using the State Water Board regulation package identifier, “SBDDW-20-001: Perchlorate DLR” in inquiries to CommentLetters@waterboards.ca.gov)
- Transmitting Email Including List of Commenters sent on:
- Notice of 6 October 2020 State Water Resources Control Board Meeting to Consider a Proposed Resolution to Adopt Revised Detection Limits for Purposes of Reporting (DLR) for Perchlorate of 0.002 mg/L and 0.001 mg/L.
- Agenda emailed on:
- September 24, 2020
- Board Meetings ListServe Subscribers
- Board Workshops ListServe Subscribers
- September 24, 2020
- Agenda emailed on:
- Agenda Item, Item 3
- Draft Resolution
- Text of Proposed Regulation
- Revised Agenda
- Draft Response to Comments, October 6, 2020
- Remote Meeting Information emailed on:
- October 5, 2020
- Board Meetings ListServe Subscribers
- Board Workshops ListServe Subscribers
- October 6, 2020
- Drinking Water Announcements ListServe Subscribers (Copies of emails are available upon request at DWRegUnit@Waterboards.ca.gov)
- October 5, 2020
- Board Meeting (October 6, 2020)
- Video Recording of Public Hearing (Viewable at: https://www.youtube.com/watch?v=j7D16dZyvZc)
- Staff PowerPoint Presentation (available upon request at DDWRegUnit@Waterboards.ca.gov)
- Remote Meeting Information emailed on:
- Updated Informative Digest (April 23, 2021)
(Changes limited to noticed additional modification of perchlorate DLR to 0.001 mg/L as of 1 January 2024) - Final Statement of Reasons (FSOR), June 17, 2021
- Materials and Documents Relied Upon
- Office of Environmental Health Hazard Assessment (2015). Public Health Goal: Perchlorate in Drinking Water. Retrieved from: https://oehha.ca.gov/media/downloads/water/chemicals/phg/perchloratephgfeb2015.pdf
- U.S. Environmental Protection Agency (1999). Method 314.0: Determination of Perchlorate in Drinking Water Using Ion Chromatography. Retrieved from: https://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=P1008HFE.txt
- U.S. Environmental Protection Agency (2005). Method 314.1: Determination of Perchlorate in Drinking Water Using Inline Column Concentration/Matrix Elimination Ion Chromatography with Suppressed Conductivity Detection. Retrieved from: https://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=P1005EC0.txt
- U.S. Environmental Protection Agency (2005). Method 331.0: Determination of Perchlorate in Drinking Water By Liquid Chromatography Electrospray Ionization Mass Spectrometry. Retrieved from: https://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=901U0000.txt
- U.S. Environmental Protection Agency (2005). Method 332.0: Determination of Perchlorate in Drinking Water By Ion Chromatography with Suppressed Conductivity and Electrospray Ionization Mass Spectrometry. Retrieved from: https://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=2000D1QP.txt
- U.S. Census Bureau (2018). Historical Household Tables: Table HH-4. Households by Size: 1960 to Present. Accessed: November 2017. Retrieved from: https://www.census.gov/data/tables/time-series/demo/families/households.html
- SWRCB (2018). Water Quality Information Replacement (WQIR) Database, State Water Resources Control Board. Accessed: 27 April 2018. (Note that this is a database that cannot be transmitted electronically. The same data may be obtained from Drinking Water Watch at https://sdwis.waterboards.ca.gov/PDWW/.)
- (Note that this is a database that cannot be transmitted electronically. The same data may be obtained from Drinking Water Watch at https://sdwis.waterboards.ca.gov/PDWW/.)
- SWRCB (2018). Safe Drinking Water Information System (SDWIS) Database. Accessed: 6 September 2019. (Note that this is a database that cannot be transmitted electronically. The same data may be obtained from Drinking Water Watch at https://sdwis.waterboards.ca.gov/PDWW/.)
- Request for Early Effective Date – May 5, 2021
- California Environmental Quality Act (CEQA) – Notice of Exemption (NOE), October 9, 2020
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State Water Resources Control Board
Division of Drinking Water
Regulatory Development Unit
Mailing Address:
P.O. Box 100
Sacramento, CA 95812-0100
Street Address:
1001 I Street
Sacramento, CA 95814
E-mail us at DDWRegUnit@waterboards.ca.gov.
