Environmental Documents Archive
2024 CEQA Documents
2023 CEQA Documents
2022 CEQA Documents
2021 CEQA Documents
2020 CEQA Documents
2019 CEQA Documents
2024 CEQA Documents
Notice of Determination:
Notice of Exemption:
- Serrano Water District Transfer of lrvine Lake and Howiler Water Treatment Plant to Irvine Ranch Water District
- Irvine Ranch Water District and Serrano Water District Water Reliability Services Agreement
- Silverado Canyon Bridge 177 Domestic Water Relocation
- Domestic Water Meter Vault Replacement at East Peltason
- San Diego Creek S2 Sewer Line Protection and Slope Repair
- Harding Canyon Dam Valve Replacement
- Santiago Creek Dam Borrow Area Geotechnical Investigation
- San Joaquin Reservoir Asphalt Concrete Liner Interim Repairs Project
- Well 76, 110R, 115R Rehab; Well 72, 106 Abandonment Project
2023 CEQA Documents
Notice of Determination:
Notice of Exemption:
- Santiago Creek Dam Phase III Geotechnical Investigation
- Serrano Creek Raw Water Pipeline Replacement Project
- Enterprise 6-Inch Recycled Water Pipeline Abandonment Project
- MWRP Solids Disposal 18-inch Force Main Segment Relocation
- Riparian View Pavement Rehabilitation Project
- Syphon Reservoir - Irvine Lake North Property Acquisition
- Silverado Canyon Bridge
- MPS-2 Pump Base Replacement
2022 CEQA Documents
- Well ET-1 Rehabilitation
- El Toro Road Sewer Manhole Raise to Grade Project
- District-Wide Emergency Generator Fuel Storage Project
- Michelson Water Recycling Plant - New Warehouse, Canopy and Water Quality Storage Building Project
- Santiago Creek Dam Supplemental Geotechnical Exploration Work Plan
- Rattlesnake Dam Geotechnical Investigation Work Plan
- Dyer Road Well Field Well 12 Rehabilitation
- Syphon Reservoir Off-Site Riparian and Wetland Habitat Mitigation
- Santiago Creek Dam Geotech Phase 2
- Lake Forest Well 2 Treatment and Sewer Bypass
2021 CEQA Documents
Notice of Determination:
- Addendum No. 2 to Reservoir Management System-Chlorine Analyzers Final Mitigated Negative Declaration
- Addendum No. 1 to Orange Park Acres Well Replacement Project Final Mitigated Negative Declaration
- Fleming Zone 8 Reservoir and Pump Station Improvements Final Mitigated Negative Declaration
- Syphon Reservoir Improvement Project Final Environmental Impact Report (178mb)
- Lake Forest Zone B to C Pump Station Final Mitigated Negative Declaration
- San Joaquin Reservoir Filtration Facility Final Mitigated Negative Declaration
Notice of Availability:
Notice of Exemption:
- Irvine Desalter Project Shallow Groundwater Unit Facility Optimization for PFAS Treatment
- Domestic Water Reservoirs Air Vent and Miscellaneous Retrofits
- Trunk Sewer Relocation within San Diego Creek near SR-133
- Santiago Canyon Manning Pump Station Project
- Irvine Desalter Project Principal Aquifer Plant Optimization for PFAS Treatment
- Seawatch Recycled Water Pressure Reducing Station
- Rattlesnake Reservoir Outlet Flow Meter and Valve Actuators Replacements
- Woodbridge Recycled Water Pipeline Replacement Project
- Michelson Water Recycling Plant Tertiary Filter Rehabilitation Project
- DRWF Well 51 Rehabilitation Project
- 54-inch Baker Pipeline Realignment in Reach 1U Through Santiago Creek
- APN 842-061-04 Land Acquisition
- Williams Canyon Pipeline Protection
- Silverado Canyon Bridge 175
2020 CEQA Documents
Notice of Determination:
Notices of Determination and Final CEQA Documents
Notices of Exemption
- Irvine Desalter Project Shallow Groundwater Unit Facility Optimization for PFAS Treatment
- Gillette Morse Domestic Water Pipeline Replacement
- 15 Million Gallon Zone 1 Reservoir Interior Coating Project
- El Toro Road Northcrest Aliso Creek Erosion Repair Project
- Michelson Water Recycling Plant Primary Clarifiers 1-5 Covers Replacement Project
- Deep Aquifer Treatment Systems Miscellaneous Rehabilitation Project
- Harvard Avenue Trunk Sewer Diversion Structure Rehabilitation Project
- Dyer Rd Well Field Wells 1 11 and 13 Rehabilitation
- Santiago Creek Dam Outlet Tower and Spillway Geotechnical Investigation
- Santiago Canyon Pump Stations Improvements Project
- Lake Forest Well No. 5 Destruction
Notices of Intent
Notices of Preparation
2019 CEQA Documents
Notice of Determination:
Notices of Exemption
- Pelican Hill Golf Club Sewer Rehabilitation
- Vault Lid Replacement Project 2019
- Dyer Road Well Field Well 14 Rehabilitation
- Bonita Canyon Recycled Water Zone D-B Pressure Reducing Station Pipeline Project
- Sewer Siphon Improvements Project
- Santiago Creek Dam Spillway Assessment
- Bake Parkway Zone 5 to 4 Pressure Relief Valve and Pipeline Project
- Ladd Canyon Road Domestic Water Pipeline
Notices of Intent
Notices of Preparation
2018 CEQA Documents
Notices of Determination
Notices of determination and final CEQA documents
- Lake Forest Zone B East Reservoir Floating Cover Project
- Michelson Water Recycling Plant Unit Substation T-1 Replacement Project
- Primary Disinfection Facility Sodium Hypochlorite Storage and Feed System
- Dyer Rd Well Field Well 5 Rehabilitation
- DATS and IDP Instrumentation Modifications
- Michelson Water Recycling Plant Headworks Area Modifications
- IRWD Certified Natural Gas Filling Station
- Lake Forest Recycled Water Services-Bake Pkwy and Toledo Way
- Dyer Rd Well Field Wells 10 and 16 Rehabilitation
- Newport Coast Zone 4-2 PRV Modification
- Elderwood Sewer Pipeline Project
- Culver Drive Recycled Water Pipeline
- Riparian View Domestic Water Pipeline Replacement
Notices of Intent
2017 CEQA Documents
Notices of Exemption
- MWRP South Irvine Interceptor Sewer Manhole Access
- Sewer Vault Riser Hatch Replacement Project
- Rockfield Control Facility Automated Valve Project
- Michelson Water Recycling Plant Miscellaneous Repairs
- Vault Lid Replacement Project 2017-2018
- Michelson Water Recycling Plant Security Fencing Project
- Wells 2 17 and 52 Rehabilitations Project
- Main Street Manhole Rehabilitation Project
- IIC East Zone A-B Booster Pump Station Improvements Project
- MWRP Filter Pump Station2 Header Replacement Project
- Reservoir Ladder Fall Protection Project
- Sewer Rehabilitation Project 2017
- Michelson Sewer Force Main Rehabilitation Project
- Seawatch Recycled Water Pipeline
- Turtle Ridge Pipelines Rehabilitation Project
- Long-Term Exchange Program Between IRWD and Dudley Ridge Water District
- APN 878-151-003, APN 878-210-001, APN 878-270-001, 002 and APN 878-260-001, 002 Land Acquisition
- Miscellaneous Riverside County Land Acquisitions
- San Joaquin Marsh Campus Sewer Lift Station Rehabilitation
2016 CEQA Documents
Notices of Determination
Notices of Exemption
- APN 827-090-004 and APN 827-180-001 Land Acquisition
- Dyer Rd Well Field Well 7 and IDP Well 107 Rehabilitation
- UCI Cooling Tower Recycled Water Conversion Pipeline Phase 1
- Energy Storage Systems Project - Portola Zn 3-5 and A-C Pump Station
- Energy Storage Systems Project - Foothill Zn 6 Pump Station
- Energy Storage Systems Project - Deep Aquifer Treatment System
- Energy Storage Systems Project - Dyer Rd Well 10
- Energy Storage Systems Project - Potable Treatment Plant
- Energy Storage Systems Project - Los Alisos Water Recycling Plant
- Energy Storage Systems Project - Michelson Water Recycling Plant
- Energy Storage Systems Project - Wells 21-22 Facility
- Energy Storage Systems Project - Coastal Zn D Pump Station
- Energy Storage Systems Project - Coastal Zn 4-OC 63 Pump Station
- Energy Storage Systems Project - E Irvine Zn 1-3 Pump Station
- APN 821-160-001 and APN 821-160-010 Land Acquisition
- APN 839-150-001 and APN 839-150-002 Land Acquisition
- Baker Pipeline Cathodic Protection Project
- Dyer Road Well Field Surge Tanks Project
- Dyer Road Well Field Well 18 Rehabilitation
- Irvine Business Complex Sidewalk Improvements
- Land Acquisition in Unincorporated Riverside County
- Operations Center Backup Generator Replacement
- San Joaquin Marsh Improvements
- Tustin Legacy Red Hill Ave Well Site Improvements
- Well ET-2 Equipment Replacement
2015 CEQA Documents
Notices of Determination
Notices of Availability
Notices of Exemption
- Acquisition and Annexation of Service Area 7 Sewer System
- Culver Dr Sewer Manhole Rehabilitation
- Dyer Road Well Field Well 3 Rehabilitation
- East Irvine BPS Meter Replacement
- IDF Sodium Hypochlorite Storage and Feed System
- Main Street Diversion Structure Rehabilitation
- MWRP Filter Pump Station and Wells 12-13 Roof Modifications
- Newport Coast Lift Station and Forcemain Rehabilitation
- Rancho Parkway Zone C Pipeline
- Rattlesnake Reservoir Spillway Vegetation
- Relocation of Well-OC 58 Facilities and Easement Acquisition
- Piezometer Access Improvements
- Residential Recycled Water Fill Station Program
- Stockdale West Ranch Emergency Project
- Syphon Reservoir Geotechnical Samplings and Testing
- Syphon Reservoir Slide Gate Repair Project
- Woodhollow Sewer Replacement
2014 CEQA Documents
- Booster Pump Station Check Valve Replacement Project
- Cathodic Protection Green Acres Project (GAP) Project
- East Orange County Water District Interconnection Rehabilitation Project
- LAWRP Pond Dredging, Dewatering and Disposal
- Newport Coast Drive Joint Bonding Project
- Rattlesnake Reservoir Chlorine Gas Removal Project
- San Joaquin Marsh Campus Paving Project
- San Joaquin Reservoir Actuator Repair/Replacement Project
- Sewer Rehabilitation Project 2014
- Silverado Canyon Rd. 12 inch Domestic Water Pipeline
- Strand Ranch Wells Optimization and Monitoring Project
- Wells ET1 and ET2 Rehabilitation
2013 CEQA Documents
Notices of Determination
Notices of Exemption
- Baker Pipeline Cathodic Protection Project
- Dyer Rd Well Field Well 2 and 5 Rehabilitations
- Initial Disinfection Facility Chlorine Injection Line Replacement
- Jamboree Center Sewer Improvements
- Marshburn Basin Stairway Construction Project
- Perez Reservoir Demolition
- Portola Springs Recycled Water Pipeline
- Randall Street and Lolita Avenue Domestic Water Pipeline Replacement
- University Sewer Lift Station Odor Control Project
Notices of Preparation
2012 CEQA Documents
Notices of Determination
Notices of Exemption
- Executive Park Manhole Project
- Kelvin Avenue Cathodic Protection
- Modjeska Canyon Road Domestic Water Pipeline Relocation
- Portola Hills Sewage Lift Station Aboandoment andGlenn Ranch Road Sewer
- Portola Zone 9 Booster Pump Station Generator Project
- Portola Zone 9 Reservoir Access Road Geotechnical Exploration
- PTP CIP Cartridge Filter Modification
- Purchasing Outdoor Storage Racking Project
- San Joaquin Marsh Building Campus Mold Remediation
- San Joaquin Marsh Outlet Pipe Valve Replacement Project
- Sewer Pipeline Rehabilitation - Main St. and Gillette
- Vault Lid Replacement Construction Project
- Vault Lid Replacement Design Project
- Well 110 Rehabilitation
- Well 115 Replacement
2011 CEQA Documents
- Baker Water Treatment Plant Project
- Biosolids Handling and Energy Recovery Facilities Project
- Deep Aquifer Treatment System Building Upgrades and Repairs Project
- Irvine Desalter Well 4 Deconstruction
- Markuson Road Pipeline Relocation Project
- Michelson Water Recycling Plant Warehouse Mezzanine Conversion and Seismic Upgrades Project
- Newport Blvd 12 Inch Water Main Relocation Project
- OPA Gravier St Headquarters Demolition
- Orange Park Acres Wells Project
- San Joaquin Marsh Small Area Mitiagion Site 1 Project
- Santiago Canyon Area Booster Pump Station Permanent Generators Project
- Santiago Creek Dam Liquefaction Study
- Stockdale West Pilot Project
- Syphon Reservoir Dam Slope Repair
- Syphon Reservoir Geotechnical Exploration Program
- University Drive Cathodic Protection Installation
- Well 107 Replacement Project
2010 CEQA Documents
- APN 160-020-12 and 160-020-23 Land Acquisition
- Commercentre Dr. Recycled Water Pipe Upsizing
- Lake Forest Well 2 Replacement
- MWRP Dept. 50 Storage Facility
- Portola Parkway Capital Pipelines
- Orange Park Acres Domestic Water Distribution and Transmission System Improvements
- San Diego Creek Watershed Natural Treatment System Environmental Impact Report
- San Joaquin Marsh Streambed Alteration Agreement Renewal
- Trabuco Road Bridge Pipeline Upsize
- Wells 21, 22 and Tustin Legacy 1 Well Project