I like the definition of environmental sustainability as “providing for current needs without degrading the ecosystem that will support future generations”. We know our water use is not sustainable when saltwater is steadily intruding into the groundwater in the Pajaro Valley, forcing the abandonment of agricultural wells along the coast. In mid-County, the Purisima Aquifer is in danger of the same fate as its southern neighbor. And in the San Lorenzo River watershed and streams along the county’s north coast, the populations of steelhead have declined precipitously since 1970. Coho salmon can no longer be found in the San Lorenzo River.
How did we get here? Were there signs along the way that could have given us a clue that we were headed past sustainable water use? And how do we best achieve sustainable use? Continue reading
The question of whether to allow the City of Santa Cruz to grant water service to an expanded UCSC campus has consequences for endangered salmon as well as for our local economy. A question with such consequences is not unique in our history. Our society is often confronted with what looks like a choice between care for the environment and care for our economic well-being. We need to get clearer on an approach to economic well-being that makes such terrible choices unnecessary. A historical perspective may help.
I recommend going to your locally-owned bookstore and getting a copy of The Death and Life of Monterey Bay. The book traces the history of wildlife exploitation in the Bay, starting with the hunting of sea otters for their fur pelts. Otter fur coats were a fashion statement among the elite in eighteenth- and early nineteenth-century China. As a result of the hunt by English, Spanish, and Russian traders, otters south of Alaska were thought to be extinct. It was only in the 1930’s that a small otter population in Big Sur was re-discovered. Since that time, otters have proliferated in Monterey Bay, although they have still not re-populated coastal areas north of Año Nuevo. Continue reading
The Santa Cruz City Council’s passage of an ordinance to put the decision on desalination in the hands of the voters suggests that the community and City government can now move forward together to address our water challenges. The following is our attempt to initiate an agenda for such a process. The agenda articulates what we believe are common goals for all residents in the Santa Cruz water service area, followed by a list of needed information, and finally, actions that could be undertaken immediately to improve our water security. We invite our City Council to engage with us in co-creating and pursuing this agenda. You can comment on this agenda at the end of the article. Continue reading
Santa Cruz City Council Meeting Considers Water for UCSC Expansion: Feb 28, 3pm, City Hall
LAFCO Meeting on UCSC Water Service Expansion: March 7, 9:30am, County Building, 5th floor
Santa Cruz has bumped into its water limits. No, that’s not right. We passed our water limits some time ago. That’s what the National Marine Fisheries Service (NOAA Fisheries) and California Dept. of Fish and Game (DFG) tell us. A decade has passed since NOAA Fisheries first threatened legal action against the City for its “take” of endangered Coho Salmon, and threatened Steelhead Salmon on Laguna Creek, on the coast north of town. The City has held water rights to Laguna Creek since the 19th century. In those days the State granted the City rights to divert 100% of the water in the creek. And dry up the creek the City did—until quite recently. A 2004 City report states, “During September below the diversion, the average monthly flow is 0.2 cubic feet per second.” That’s little more than a trickle. Since the diversion dam on Laguna Creek is over 4 miles inland, such a rate of diversion is mortal for juvenile Steelhead and Coho salmon downstream. (To view a 20 minute video of fisheries biologist, Don Alley, describing the habitat needs of native fish in the San Lorenzo Watershed, click here)
NOAA Fisheries put their 2002 legal action against the City in abeyance so long as the City would come up with a Habitat Conservation Plan as part of an application for a permit to “take” endangered species. The City agreed to draft such a plan in what Water Department Director, Bill Kocher, calls “voluntary” compliance with NOAA Fisheries.
In August the City released its draft Habitat Conservation Strategy. And the recent fisheries agencies’ response is sobering. Continue reading
“We learn from our gardens to deal with the most urgent question of our time, How much is enough?” – Wendell Berry
We don’t know how much money has been committed under contract on desalination studies—probably close to $20 million. (We know that $12.5 million has already been spent.) It’s apparently not enough, says the Water Department. Continue reading
On several occasions members of the Santa Cruz City Council have expressed the sentiment that desalination should be a last resort. Other strategies to make better use of existing resources should be employed first. On Tuesday at 7pm, the Council has the opportunity to put that intention into practice. To do so they will need to put the brakes on desal spending and direct their Water Department to implement alternatives first.
The Water Department is asking the City Council for more money for the desal project. This time it’s a half million for a consultant to guide the permitting process for the desal project. According to Bill Kocher, head of the Water Department, $12.5 million in City, Soquel Creek Water District and state taxpayer money has already been spent on the desal project. It’s time for the Council to draw the line. Money for the permitting process should wait until a decision has been made whether to approve the project. And that decision will happen after an Environmental Impact Report is complete.
The second decision Council will make on Tuesday is whether to include three key strategies in the City’s 5-year Urban Water Management Plan. Even people who are committed to the desalination project should have no objection to Continue reading
On November 22 the City Council has a chance to choose a direction in how it plans to cope with a mandate to reduce diversion of water from area streams in order to allow more ample stream flows needed for coho and steelhead salmon. On that day the Council will conduct a hearing on the City’s 5-year Urban Water Management Plan.
The Water Department says that building a desal plant is the only way to provide better habitat for endangered fish. SC Desal Alternatives has another view. We point out that setting a goal to freeze water consumption at 2010 levels would allow stream flows in normal years that meet “Tier 3″ standards, defined by the City as “flows that most closely approximate fisheries agency goals”.
The Water Department’s response to our advocacy of freezing demand at 2010 levels is that we are “overly optimistic”. The Water Department expects demand to immediately rebound by 10% from 2010 levels, and grow another 14% by 2030. These assumptions make it look like a desal plant is necessary to ward off unacceptable levels of drought-year curtailment.
Our message to the City Council is that our level of demand is a matter of policy, not a factor outside of our control. If Soquel Creek can set a policy to reduce water demand by 8% between 2015 and 2030, then surely Santa Cruz can set a policy to freeze demand at 2010 levels.
Freezing demand at 2010 levels would require two things: a campaign to achieve this goal among existing water users, and a program to offset growth in demand from new development, such as is in effect in Soquel Creek Water District. In allowing growth in water demand to erode our drought security, the Water Department is out of step with our County Local Agency Formation Commission (LAFCO) that set a policy that water demand must not be allowed to grow in areas of overdrafted aquifers and streams.
For a more detailed discussion of the how Santa Cruz citizens can out-perform desalination in providing fish habitat as well as drought security, continue reading.
The Water Department makes two assumptions in their argument for desalination: rebound and further growth. Rebound, they say, is inevitable after every period of dry years in which people change their water use behavior. After the dry years of 2007, 2008, 2009, people are going to go back to their old water-carefree ways, goes the logic.
We don’t disagree that this is what has happened in the past. We just think we can’t afford to repeat the past. And so far we’re not. Since 2009, Santa Cruz water users are proving that they aren’t getting careless. In 2010 water demand has dropped even from 2009 levels in which there were mild restrictions on landscape watering.
The second assumption is growth in water demand of 500 million gallons between now and 2030, above and beyond the 10% rebound level. Ironically, this amount of growth wipes out any gain from desalination, which in drought years is expected to provide 450 million gallons. So unless the desal plant is expanded by 2030, the fish will be worse off in drought years than they are today under this unrestrained growth policy.
In normal years freezing demand outperforms desal hands down in terms of benefit for fish. The desal plant offers negligible benefit in normal rainfall years, since the plant will only be producing water for Santa Cruz in drought years. The following table shows what water production is available in normal rainfall years, with Tier 3 flows. It shows that there is enough water to support 2010 levels of water consumption.
Note: The Table comes from data on Tier 3 flows supplied by the Water Department. I have reduced the amount of water available from Loch Lomond by 450 million gallons, in order to assume a prudent reserve of water in the lake in case of following year drought.
There were several important positive developments at last night’s City Council study session on water issues. A truthful description of our drought risk was not one of them. Continue reading
The unease that many citizens feel about plans for desalination is heightened by a sense that the information needed to make an informed decision on water strategies is not currently available. Below are a list of questions that SC Desal Alternatives has submitted to the City in advance of the City Council study session on water issues, November 1st at 7pm.
You can download and print these Questions for the Water Dept. Bring them to the study session and if they don’t get answered in the Water Department’s presentation, you can go up to the podium and ask them yourself.
QUESTIONS FOR THE WATER DEPT Continue reading