Water
This page was last updated on August 21, 2026
View current versions of key documents
Landfill’s Storm Water Pollution Prevention Plan
Landfill’s Waste Discharge Requirements
Los Angeles Regional Water Quality Control Board
Groundwater monitoring well sampling reports:
- October 15, 2025 sampling report for well FP-01
- October 15, 2025 sampling report for well DW-31
- October 15, 2025 sampling well for well DW-30
- July 15, 2025 sampling report for well FP-01
- July 15, 2025 sampling report for well DW-31
- July 15, 2025 sampling report for well DW-30
- April 18, 2025 installation sampling report for well FP-01
- April 15, 2025 sampling report for well DW-31
- April 15, 2025 sampling report for well DW-30
- January 15, 2025 sampling report for well DW-31
- January 15, 2025 sampling report for well DW-30
- October 15, 2024 sampling report for well DW-31
- October 15, 2024 sampling report for well DW-30
- September 19, 2024 installation sampling report for well DW-30
- September 18, 2024 installation sampling report for well DW-31
Quarterly and semi-annual groundwater monitoring reports:
- July 31, 2026 First Semi-Annual Groundwater Monitoring Report (en Español)
- July 15, 2026 Second Quarter Groundwater Monitoring Report to the Water Board (en Español)
- April 15, 2026 First Quarter Groundwater Monitoring Report to the Water Board (en Español)
- January 15, 2026 Fourth Quarter Groundwater Monitoring Report to the Water Board (en Español)
- October 15, 2025 Third Quarter Groundwater Monitoring Report to the Water Board (en Español)
- July 31, 2025 Semi-Annual Report to the Water Board (en Español)
- July 15, 2025 Second Quarter Groundwater Monitoring Report to the Water Board (en Español)
- April 15, 2025 First Quarter Groundwater Monitoring Report to the Water Board (en Español)
- January 15, 2025 Fourth Quarter Groundwater Monitoring Report to the Water Board (en Español)
- October 15, 2024 Third Quarter Groundwater Monitoring Report to the Water Board (en Español)
- July 15, 2024 letter to the Water Board (en Español) enclosing the first quarterly groundwater monitoring and liner integrity reports pursuant to paragraphs 1(d) and (f) of the March 20, 2024 Investigative Order and an initial response to the Water Board’s June 27, 2024 Notice of Violation. The attachments to this letter are below:
Quarterly liner integrity reports:
- July 27, 2026 Second Quarter Liner Integrity Report to the Water Board (en Español)
- April 15, 2026 First Quarter Liner Integrity Report to the Water Board (en Español)
- January 15, 2026 Fourth Quarter Liner Integrity Report to the Water Board (en Español)
- October 15, 2025 Third Quarter Liner Integrity Report to the Water Board (en Español)
- July 15, 2025 Second Quarter Liner Integrity Report to the Water Board (en Español)
- April 15, 2025 First Quarter Liner Integrity Report to the Water Board (en Español)
- January 15, 2025 Liner Integrity Memorandum for the Fourth Quarter Liner Integrity Report to the Water Board (en Español)
- October 15, 2024 Liner Integrity Memorandum for the Third Quarter Liner Integrity Report to the Water Board (en Español)
- July 19, 2024 Liner Integrity Memorandum for the First Quarter Liner Integrity Report to the Water Board (en Español)
- July 15, 2024 letter to the Water Board (en Español) enclosing the first quarterly groundwater monitoring and liner integrity reports pursuant to paragraphs 1(d) and (f) of the March 20, 2024 Investigative Order and an initial response to the Water Board’s June 27, 2024 Notice of Violation. The attachments to this letter are below:
Leachate seep/spill reports:
- August 17, 2026 report to the Water Board on an August 10, 2026 leachate seep
- August 7, 2026 report to the Water Board on a July 31, 2026 leachate seep
- July 30, 2026 report to the Water Board on a July 23, 2026 leachate seep (en Español)
- June 24, 2026 report to the Water Board on a June 17, 2026 leachate seep (en Español)
- June 12, 2026 report to the Water Board on a June 5, 2026 leachate seep (en Español)
- June 3, 2026 report to the Water Board on a May 31, 2026 leachate seep (en Español)
- April 27, 2026 report to the Water Board on an April 20, 2026 leachate seep (en Español)
- April 1, 2026 report to the Water Board on a March 25, 2026 leachate spill (en Español)
- March 31, 2026 report to the Water Board on a March 24, 2026 leachate seep (en Español)
- March 30, 2026 report to the Water Board on a March 23, 2026 leachate seep (en Español)
- March 26, 2026 report to the Water Board on a March 19, 2026 leachate seep (en Español)
- March 12, 2026 report to the Water Board on a March 5, 2026 leachate seep (en Español)
- March 3, 2026 report to the Water Board on a February 24, 2026 leachate spill (en Español)
- March 2, 2026 report to the Water Board on a February 23, 2026 leachate spill (en Español)
- February 20, 2026 report to the Water Board on a January 7, 2026 leachate spill (en Español)
- February 19, 2026 report to the Water Board on a February 12, 2026 leachate seep (en Español)
- February 13, 2026 report to the Water Board on a February 7, 2026 leachate spill (en Español)
- February 12, 2026 report to the Water Board on a February 5, 2026 leachate spill (en Español)
- February 6, 2026 report to the Water Board on a January 30, 2026 leachate seep (en Español)
- February 3, 2026 report to the Water Board on a January 27, 2026 leachate spill (en Español)
- January 27, 2026 report to the Water Board on a January 19 and January 20, 2026 leachate seep (en Español)
- January 26, 2026 report to the Water Board on a January 19, 2026 leachate leak (en Español)
- January 23, 2026 report to the Water Board on a January 18, 2026 leachate leak (en Español)
- January 23, 2026 report to the Water Board on a January 16, 2026 leachate spill (en Español)
- January 14, 2026 report to the Water Board on a January 8, 2026 leachate leak (en Español)
- January 9, 2026 report to the Water Board on a January 4, 2026 leachate leak (en Español)
- December 17, 2025 report to the Water Board on a December 10, 2025 leachate spill (en Español)
- November 21, 2025 report to the Water Board on a November 14, 2025 leachate spill (en Español)
- November 17, 2025 report to the Water Board on a November 10, 2025 leachate spill (en Español)
- November 12, 2025 report to the Water Board on a November 5, 2025 leachate leak (en Español)
- October 31, 2025 report to the Water Board on an October 26, 2025 leachate leak (en Español)
- September 17, 2025 report to the Water Board on a September 10, 2025 leachate leak (en Español)
- September 9, 2025 report to the Water Board on a September 2, 2025 leachate leak (en Español)
- September 2, 2025 report to the Water Board on an August 26, 2025 leachate leak (en Español)
- August 20, 2025 report to the Water Board on an August 13, 2025 leachate spill (en Español)
- August 11, 2025 report to the Water Board on an August 4, 2025 leachate spill (en Español)
- June 18, 2025 report to the Water Board on a June 12, 2025 leachate spill (en Español)
- June 18, 2025 report to the Water Board on a June 11, 2025 leachate spill (en Español)
- May 28, 2025 report to the Water Board on a May 21, 2025 leachate spill (en Español)
- May 23, 2025 report to the Water Board on a May 17, 2025 leachate spill (en Español)
- May 21, 2025 report to the Water Board on the May 14, 2025 leachate spill (en Español)
- April 2, 2025 report to the Water Board on the March 26, 2025 leachate spill (en Español)
- March 13, 2025 report to the Water Board on a March 7, 2025 leachate spill (en Español)
- February 14, 2025 report #2 to the Water Board on a February 9, 2025 leachate seep (en Español)
- February 14, 2025 report #1 to the Water Board on a February 9, 2025 leachate seep (en Español)
- February 14, 2025 report to the Water Board on a February 7, 2025 leachate seep (en Español)
- December 30, 2024 report to the Water Board on the December 24, 2024 leachate seep (en Español)
- December 27, 2024 report to the Water Board on the December 22, 2024 leachate seep (en Español)
- December 17, 2024 report to the Water Board on the December 10, 2024 leachate spill (en Español)
- December 3, 2024 report to the Water Board on the November 26, 2024 leachate spill (en Español)
- October 30, 2024 report to the Water Board on the October 23, 2024 leachate spill (en Español)
- October 29, 2024 report to the Water Board on the October 21, 2024 leachate seep (en Español) and correction (en Español)
- October 24, 2024 report to the Water Board on the October 17, 2024 leachate seep (en Español)
- October 24, 2024 report to the Water Board on the October 17, 2024 leachate spill (en Español)
- October 8, 2024 report to the Water Board on the October 1, 2024 leachate seep (en Español)
- October 3, 2024 report to the Water Board on the September 28, 2024 leachate seep (en Español)
- October 3, 2024 report to the Water Board on the September 27, 2024 leachate seep (en Español)
- October 3, 2024 report to the Water Board on the September 26, 2024 leachate seep (en Español)
- September 13, 2024 report to the Water Board on the September 9 leachate seep (en Español)
- September 13, 2024 report to the Water Board on the September 8 leachate spill (en Español)
- September 13, 2024 report to the Water Board on the September 8 leachate seep (en Español)
- August 27, 2024 leachate seep report submitted to the Water Board pursuant to MRP No. CI-6231 Section B.3.a. (en Español)
- July 18, 2024 report to the Water Board on the July 12, 2024 leachate seep (en Español)
- July 12, 2024 report to the Water Board on the July 6, 2024 leachate seep (en Español)
- July 12, 2024 report to the Water Board on the July 5, 2024 leachate seep (en Español)
- June 26, 2024 report to the Water Board on the June 19, 2024 leachate seep (en Español)
- June 17, 2024 report to the Water Board on the June 10, 2024 leachate seep (en Español)
- May 21, 2024 report to the Water Board on the May 14, 2024 leachate seep (en Español)
- May 17, 2024 report to the Water Board on the May 13, 2024 leachate seep (en Español)
- May 14, 2024 report to the Water Board on the May 7, 2024 leachate seep (en Español)
- May 9, 2024 report to the Water Board on the May 2, 2024 leachate seep (en Español)
- May 8, 2024 report to the Water Board on the May 1, 2024 leachate seep (en Español)
- April 30, 2024 report to the Water Board on the April 23, 2024 leachate seep (en Español)
- March 15, 2024 report to the Water Board on the March 8, 2024 leachate seep (en Español)
- March 7, 2024 report to the Water Board on the March 4, 2024 leachate seep (en Español)
- March 7, 2024 report to the Water Board on the March 3, 2024 leachate seep (en Español)
- March 7, 2024 report to the Water Board on the March 1, 2024 leachate seep (en Español)
- March 7, 2024 report to the Water Board on the February 29, 2024 leachate seep in Grid 145 (en Español)
- March 7, 2024 report to the Water Board on the February 29, 2024 leachate seep in Grid 207 (en Español)
- February 28, 2024 report to the Water Board on the February 21, 2024 leachate seep (en Español)
- February 27, 2024 report to the Water Board on the February 20, 2024 leachate seep (en Español)
- February 26, 2024 report to the Water Board on the February 19, 2024 leachate seep (en Español)
- February 14, 2024 report to the Water Board on the February 7, 2024 leachate seep (en Español)
- February 12, 2024 report to the Water Board on the February 5, 2024 leachate seep (en Español)
- February 8, 2024 report to the Water Board on the February 3, 2024 leachate seep (en Español)
- January 26, 2024 report to the Water Board on the January 21, 2024 leachate seep (en Español)
- January 22, 2024 report to the Water Board on the January 15, 2024 leachate seep (en Español)
- January 15, 2024 report to the Water Board on the January 8, 2024 leachate seep (en Español)
- December 29, 2023 report to the Water Board on the December 22, 2023 leachate seep (en Español)
30/45-day discharge event reports:
- May 12, 2026 30-Day Storm Water Report to the Water Board in response to the February 11, 2026 Amended Investigative Order (en Español)
- April 30, 2026 30-Day Storm Water Report to the Water Board in response to the February 11, 2026 Amended Investigative Order
- March 25, 2026 30-Day Storm Water Report to the Water Board in response to the February 11, 2026 Amended Investigative Order
- March 17, 2026 30-Day Storm Water Report to the Water Board in response to the February 11, 2026 Amended Investigative Order
- March 13, 2026 30-Day Storm Water Report to the Water Board in response to the February 11, 2026 Amended Investigative Order (en Español)
- January 30, 2026 30-Day Storm Water Report to the Water Board in response to the March 20, 2024 Investigative Order (en Español)
- January 23, 2026 30-Day Storm Water Report to the Water Board in response to the March 20, 2024 Investigative Order (en Español)
- December 19, 2025 30-Day Storm Water Report to the Water Board in response to the March 20, 2024 investigative order
- December 12, 2025 30-Day Storm Water Report to the Water Board in response to the March 20, 2024 investigative order
- November 13, 2025 30-Day Storm Water Report to the Water Board in response to the March 20, 2024 Investigative Order (en Español)
- October 17, 2025 30-Day Storm Water Report to the Water Board in response to the March 20, 2024 Investigative Order (en Español)
- May 22, 2025 30-Day Storm Water Report to the Water Board in response to the March 20, 2024 Investigative Order (en Español)
- April 11, 2025 30-Day Storm Water Report to the Water Board in response to the March 20, 2024 Investigative Order (en Español)
- April 3, 2025 30-Day Storm Water Report to the Water Board in response to the March 20, 2024 Investigative Order (en Español)
- March 28, 2025 30-Day Storm Water Report to the Water Board in response to the March 20, 2024 Investigative Order (en Español)
- March 14, 2025 30-Day Storm Water Report to the Water Board in response to the March 20, 2024 Investigative Order (en Español)
- March 6, 2025 30-Day Storm Water Report to the Water Board in response to the March 20, 2024 Investigate Order (en Español)
- February 24, 2025 30-Day Storm Report to the Water Board in response to the March 20, 2024 Investigate Order (en Español)
- May 13, 2024 30-Day Storm Report to the Water Board in response to the March 20, 2024 Investigative Order (en Español)
- April 29, 2024 30-Day Storm Report to the Water Board in response to the March 20, 2024 Investigative Order (en Español)
Other Water Board submittals:
- July 27, 2026 Groundwater Well Installation Workplan as required by Investigative Order No. R4-2026-0156 (en Español)
- July 10, 2026 comments and requested modifications to Investigative Order No. R4-2026-0156 (en Español)
- June 1, 2026 supplemental information regarding lab reporting limit requirements in Amended Investigation Order No. R4-2024-0010-A01 (en Español)
- May 28, 2026 request for withdrawal of March 28 and April 9 Notices of Violation (en Español)
- April 3, 2026 response to a March 20, 2026 letter from the Water Board (en Español)
- March 12, 2026 response to the January 7, 2026 Notice of Violation (en Español)
- February 15, 2026 update to the Water Board on a February 12, 2026 leachate seep (en Español)
- December 11, 2024 response to the Water Board regarding Chiquita’s request for reconsideration of the Water Board’s September 25, 2024 denial of authorization to place waste in Cell 8B (en Español)
- September 10, 2024 Letter to the Water Board regarding sampling and installation of wells DW-30, DW-31, and FP-01 (en Español)
- August 23, 2024 revised Master Development Plan Stability Analyses for Cell 8B (en Español)
- August 21, 2024 Letter to the Water Board re the revised workplan, extension request and updates for sampling of wells DW-30, DW-31, and FP-01 (en Español)
- July 26, 2024 response to the Water Board’s June 27, 2024 Notice of Violation (en Español)
- Attachments to Chiquita’s July 26, 2024 response
- June 28, 2024 letter to the Water Board regarding the Water Board’s June 6, 2024 denial of the final construction report for Cell 8B (en Español)
- May 16, 2024 response to the Water Board’s April 9 NOV (en Español)
- April 29, 2024 response to the Water board’s March 28 NOV (en Español)
- April 22, 2024 response to the Water Board’s March 20, 2024 Investigative Order (en Español)
- February 20, 2024 report to the Water Board responding to the November 22, 2023 NOV (en Español)
- December 22, 2023 response (en Español) to the Los Angeles Regional Water Quality Control Board notice of violation issued on November 22, 2023