Ventura County Water Supplies / Issues
Ventura County Water Supplies and Issues
Susan Mulligan, General Manager Calleguas Municipal Water District November 2015 Ventura County Water Supplies / Issues
VENTURA COUNTY WATER SUPPLIES AND ISSUES
• Susan Mulligan, General Manager • Calleguas Municipal Water District Ventura County Water Supplies / Issues
Where does our water come from? What’s the problem? How did we get in this mess? What does the future hold? Ventura County Water Supplies / Issues
Where does our water come from? Ventura County Water Supplies / Issues
VENTURA COUNTY’S WATER SUPPLIES
Local Stormwater Capture Groundwater
State Project Water
Recycled Wastewater Ventura County Water Supplies / Issues Ojai Local and Imported Local Fillmore Lake Piru Lake Casitas Groundwater Groundwater Santa Paula State Water Project Recycled Water Recycled Water Ventura Moorpark Simi Valley Camarillo Thousand Imported Oxnard Oaks State Water Project Port Recycled Water Hueneme WATER SUPPLY ORIGIN Ventura County Water Supplies / Issues Ventura County Water Supplies / Issues Ventura County Water Supplies / Issues Redding STATE WATER PROJECT Lake Oroville
Sacramento Sacramento San Delta Francisco Fresno
Ventura Los Angeles County San Diego Ventura County Water Supplies / Issues STATE WATER PROJECT EAST BRANCH Ventura County Water Supplies / Issues How State Project Pyramid Water enters Lake Ventura County
Castaic Lake Lake Piru
Jensen Filtration Plant Ventura County Water Supplies / Issues
INLAND RECYCLED WASTEWATER IS USED MULTIPLE TIMES Imported Water Wastewater Treatment Plant Recycled Groundwater Wastewater Ventura County Water Supplies / Issues
VENTURA COUNTY WASTEWATER TREATMENT PLANTS Ventura County Water Supplies / Issues
What’s the problem? Ventura County Water Supplies / Issues
Problem No. 1 Not enough water Ventura County Water Supplies / Issues
LAKE OROVILLE 2011 Ventura County Water Supplies / Issues
LAKE OROVILLE 2014 Ventura County Water Supplies / Issues
LAKE OROVILLE 2011 Ventura County Water Supplies / Issues
LAKE OROVILLE 2014 Ventura County Water Supplies / Issues Ventura County Water Supplies / Issues LAKE CASITAS SEPTEMBER 2015 Ventura County Water Supplies / Issues LAKE PIRU
April 2015
13% of capacity Ventura County Water Supplies / Issues
L.A. GETTING NO OWEN VALLEY RUNOFF FOR FIRST TIME SINCE 1913
Los Angeles Times, May 14, 2015 Ventura County Water Supplies / Issues LAKE MEAD
April 2015
Reached lowest level since initial fill in the 1930s Ventura County Water Supplies / Issues
FOX CANYON AQUIFER Ventura County Water Supplies / Issues
Problem No. 2 Salty water Ventura County Water Supplies / Issues OUR LOCAL AQUIFERS ARE GETTING SALTIER Groundwater not suitable for irrigation Dischargers with groundwater sources violating regulations Some local groundwater supplies not being used due to salts 2010-11 Average TDS (mg/L) – No stormwater recharge because aquifers are full Ventura County Water Supplies / Issues
Groundwater chloride concentration (mg/L) 2012-13
Moorpark
Somis 175- 200
Camarillo Ventura County Water Supplies / Issues
How did we get in this mess? Ventura County Water Supplies / Issues Ventura County Water Supplies / Issues
IT’S THE FAULT OF BIG BUSINESS! Ventura County Water Supplies / Issues
RESIDENTIAL HOMES ARE THE PROBLEM! Ventura County Water Supplies / Issues WE’D HAVE PLENTY OF WATER IF IT WASN’T FOR THE STUPID REGULATORS! Ventura County Water Supplies / Issues Ventura County Water Supplies / Issues
SERIOUSLY, HOW DID WE GET IN THIS MESS?
ow did this happen? Ventura County Water Supplies / Issues ow did this happen? Ventura County Water Supplies / Issues
IT HASN’T RAINED MUCH! California Weather VenturaRecord County Breakers Water Supplies / Issues
2013 - driest 2014 - hottest 2015 - lowest snowpack Ventura County Water Supplies / Issues
But… we have systemic problems which have exacerbated the effects of drought. Ventura County Water Supplies / Issues ow did this happen? Ventura County Water Supplies / Issues Decades of diversions from waterways have harmed the environment
…so now we must divert less water. Ventura County Water Supplies / Issues Sacramento Ventura County Water Supplies / Issues Bay Delta from Lake Oroville Sac Sacramento River
Stockton
SWP CVP Pumps Pumps Ventura County Water Supplies / Issues THE DELTA ECOSYSTEM IS UNDER STRESS
Over 750 plant, bird, animal and fish species More than 40 threatened or endangered species
The stressors are… Ventura County Water Supplies / Issues
Wastewater discharges Habitat replaced by agriculture Toxic pollutants Invasive species… Ventura County Water Supplies / Issues
…and reverse flows from pumping
Natural Reverse Flows Flows Ventura County Water Supplies2007 Judge / Issues Wanger decision Ventura County Water Supplies / Issues WATER EXPORT LOSSES DUE TO REGULATORY AND COURT ACTIONS
Delta smelt
Total lost in 5 years: 4,869,000 acre-feet (Almost 50x Calleguas annual service area needs.) Ventura County Water Supplies / Issues UNITED WATER CONSERVATION DISTRICT FREEMAN DIVERSION STRUCTURE & FISH LADDER
November 13, 2013 Complaint Filed to Balance Dam’s Water Removal With Needs of Communities, Wildlife Along Santa Clara River Water Diversion Harms Endangered Species, People’s River Use Ventura County Water Supplies / Issues Ventura County Water Supplies / Issues Ventura County Water Supplies / Issues Ventura County Water Supplies / Issues
WE HAVE OVERPUMPED OUR AQUIFERS
Oxnard
…so now we must pump less water. Ventura County Water Supplies / Issues
Los Angeles Times October 2, 2014 Ventura County Water Supplies / Issues Ventura County Water Supplies / Issues THE FALL OF BABYLON
The Fertile Crescent
Hanging Gardens of Babylon Ventura County Water Supplies / Issues How Salt Builds up in Groundwater Basins
Naturally occurring salts Ventura County Water Supplies / Issues IMPORTATION OF WATER BRINGS SALTS INTO OUR GROUNDWATER BASINS
• ~100 tons of salt come into the Calleguas service area every day • Each time water is re-used, it picks up more salt • Most ends up in the groundwater basins Ventura County Water Supplies / Issues Ventura County Water Supplies / Issues
CALIFORNIA’S POPULATION HAS INCREASED Ventura County Water Supplies / Issues NEVADA AND ARIZONA POPULATIONS HAVE ALSO INCREASED
…so more people are competing for a finite water supply. Ventura County Water Supplies / Issues
What does the future hold? Ventura County Water Supplies / Issues
Changes in the operation of surface Increased treatment & water supplies to protect use of poor quality endangered species. groundwater. Increased regulation of More water leasing & water use efficiency. transfers.
Regulation of groundwater pumping Seawater desalination. (and litigation).
More extensive and creative use of wastewater.
More small scale stormwater capture. Ventura County Water Supplies / Issues
Changes in the operation of surface water supplies to protect endangered species. Ventura County Water Supplies / Issues Ventura County Water Supplies / Issues FISH LADDERS
Old New Ventura County Water Supplies / Issues
RESULT Water users will pay more to build and maintain habitat protection measures There will be less water available for agriculture & urban users because more flow will need to be left in waterways to protect habitat Ventura County Water Supplies / Issues
Increased regulation of water use efficiency. Ventura County Water Supplies / Issues
SWRCB MANDATORY CUTBACKS Ventura County Water Supplies / Issues
SWRCB MANDATORY USE RESTRICTIONS No washing car without nozzle shutoff No washing of sidewalks & driveways No irrigating turf on public medians No runoff when irrigating Fountains must recirculate water No irrigation 48 hrs after rain
Ventura County Water Supplies / Issues
SWRCB MANDATORY USE RESTRICTIONS New construction must have drip or micro nozzles Restaurants must provide water only on request Hotels must provide option of not washing linens
Ventura County Water Supplies / Issues Ventura County Water Supplies / Issues
Aug. 12, 2015 Ventura County Water Supplies / Issues
NEW BUZZ WORDS: “NON-FUNCTIONAL TURF”
If the only person who walks on the turf is the person who mows it,… remove it. Ventura County Water Supplies / Issues
TRENDS FOR AGRICULTURAL EFFICIENCY REGULATIONS
Mandatory metering Water management plans (currently for water suppliers with >25,000 irrigated acres) Accounting Efficiency Best management practices for discharge Ventura County Water Supplies / Issues
Regulation of groundwater pumping (and litigation). Ventura County Water Supplies / Issues SUSTAINABLE GROUNDWATER MANAGEMENT ACT OF 2014 Ventura County Water Supplies / Issues SUSTAINABLE GROUNDWATER MANAGEMENT ACT OF 2014 Ventura County Water Supplies / Issues Ventura County Water Supplies / Issues
DWR RANKING OF VENTURA CO. GW BASINS Critically overdrafted Oxnard Pleasant Valley Low priority Simi Conejo Medium priority All others Ventura County Water Supplies / Issues
Created in 1991 Ventura County Water Supplies / Issues Ventura County Water Supplies / Issues
SANTA PAULA BASIN Adjudicated in 1996 Technical advisory panel United Water Santa Paula Basin Conservation District City of Ventura Santa Paula Basin Pumpers Association
Ventura County Water Supplies / Issues
Moorpark Ventura
Camarillo Thousand Oxnard Oaks
Port Hueneme Ventura County Water Supplies / Issues
Emergency Ordinance E SGMA Plan Development Additional powers under SGMA
Ventura County Water Supplies / Issues SGM AGENCIES NEED TO BE ESTABLISHED FOR THE OTHER MEDIUM PRIORITY BASINS… Ventura County Water Supplies / Issues THE GOOD NEWS - SUSTAINABLE GW MANAGEMENT WILL CREATE OPPORTUNITIES Storage Conjunctive use Water Market Ventura County Water Supplies / Issues
Increased treatment & use of poor quality groundwater. Ventura County Water Supplies / Issues
LADWP Cleanup of San Fernando Basin Ventura County Water Supplies / Issues
Salinity Management Pipeline and Groundwater Desalters Ventura County Water Supplies / Issues
More small scale stormwater capture. Ventura County Water Supplies / Issues
Ornamental dry creek bed
Median and curb cut-out Ventura County Water Supplies / Issues
Permeable Concrete Ventura County Government Center Ventura County Water Supplies / Issues
Retention of storm flows to enhance groundwater recharge Ventura County Water Supplies / Issues Not as easy as it sounds… Ventura County Water Supplies / Issues
More extensive and creative use of wastewater. Ventura County Water Supplies / Issues TYPES OF RECYCLED WATER USE Factory City Farm Habitat
WW Plant
Well City Aquifer
River Ventura County Water Supplies / Issues EXTENSION OF TRADITIONAL RECYCLED WATER SYSTEMS Ventura County Water Supplies / Issues
DELIVERY OF RECYCLED WATER TO AGRICULTURE
City of Oxnard Advanced Water Purification Facility Ventura County Water Supplies / Issues
DELIVERY OF RECYCLED WATER TO AGRICULTURE Conejo Creek Diversion Project
to Camrosa customers T.O. Hill Cyn Camrosa WW Plant Camrosa Diversion & Pipelines Pumps
to PV customers Camrosa Ponds & Pumps Ventura County Water Supplies / Issues
Aquifer recharge with recycled wastewater Ventura County Water Supplies / Issues POTABLE REUSE OF RECYCLED WATER VIA AN OPEN RESERVOIR Advanced WW Home WW Treatment Plant Treatment Process Stormwater Imported water
City of San Diego Water Purification Demonstration Project
Lake
Potable Water Treatment Plant Ventura County Water Supplies / Issues Direct to Potable Wastewater Reuse (pipe to pipe)
1 - Pressure Filters 2 - Pasteurization 3 - Ultrafiltration 4 - Reverse Osmosis 5 - UV Light/Oxidation Ventura County Water Supplies / Issues
More water leasing & transfers. Ventura County Water Supplies / Issues
Metropolitan Water District Buying Farmland near Blythe July 19, 2105 Ventura County Water Supplies / Issues
Las Posas Basin Allocation Proposal Ventura County Water Supplies / Issues
Seawater desalination. Ventura County Water Supplies / Issues Ventura County Water Supplies / Issues
CARLSBAD DESALINATION PLANT Ventura County Water Supplies / Issues OCEAN DESALINATION CHALLENGES Energy use Combine with renewable energy projects Marine life impingement on intakes Subsurface intakes Cost
Ventura County Water Supplies / Issues WHAT TO MAKE OF ALL OF THIS… Less water will be available from traditional supplies We will need to develop new sources of water better manage, reuse, and conserve the water we have