The Klamath Basin attracted national attention last summer when the United States Bureau of Reclamation (Reclamation) halted water delivery to irrigators to comply with the federal Endangered Species Act (ESA). The Klamath Basin is home to Reclamation's Klamath Project (Project), a complex network of dams, canals, tunnels, and other facilities that provide irrigation water to over 220,000 acres of farmland in southern Oregon and northern California. It also is home to three fish species listed as endangered or threatened under the ESA: the Lost River sucker; the shortnose sucker; and the Southern Oregon/Northern California Coast coho salmon. A scarce water supply last year, coupled with competing claims to the water lead to a heated conflict centered on the ESA. This year's debate will have the benefit of a new scientific report that finds no support for protections deemed essential to the species last year, and a Biological Assessment (BA) from Reclamation that avoids reaching conclusions about whether this year's proposal would satisfy the ESA.
In April 2001, the consulting agencies determined that Reclamation's proposed operation of the Project for that year would jeopardize endangered suckers and threatened coho, in part by lowering Upper Klamath Lake below specified levels and decreasing minimum stream flows in the Klamath River below Iron Gate Dam in California. The BiOps proposed RPAs that specified minimum lake levels for Upper Klamath Lake and minimum stream flows in the Klamath River below Iron Gate Dam. To comply with these RPAs in a critically dry year, Reclamation shut off irrigation water. That action lead to fierce protest on many fronts.
"The FWS and NMFS BiOps explain how the RPA minimum UKL [Upper Klamath Lake] levels and Klamath River flows are necessary to avoid jeopardy to suckers and coho salmon and to preserved their habitat. The BiOps are supported by voluminous administrative records, rendering it unlikely that they have no rational basis."
This year is on track to be a better water year than 2001, which may ease some of the tensions so prevalent last year. Nevertheless, the debate over water use and allocation in the Klamath Basin is far from over, in part because the 2001 BiOps expire before the start of the 2002 irrigation season, and Reclamation again is consulting with the FWS and the NMFS on its operation of the Klamath Project. The outcome of this consultation is uncertain, but two recently released documents likely will set the tone for this year's inevitable debate over how to manage and allocate water in the Klamath Basin.
The Report first evaluated the scientific evidence supporting the FWS' RPA. Although nearly 100 years of data on Upper Klamath Lake levels exist, the Report considers only the last 10 years' data to be relevant, because only that data allows scientists to evaluate the effect of Upper Klamath Lake levels on suckers. Report at 12. Reclamation's 2001 proposal would have lowered Upper Klamath Lake below the mean lake level for the past 10 years. Id. at 11. The FWS' RPA required levels in Upper Klamath Lake above the 10-year mean. Id. The Report concludes that there is no scientific evidence to support the FWS' lake level RPA, because the last 10 years' data do not demonstrate a connection between the level of Upper Klamath Lake and sucker survival. In particular, the Report found no scientific evidence correlating higher lake levels with improved water quality or increased available habitat, the two factors the FWS appears to have been most concerned with when setting the higher lake levels. Id. at 13. However, the Report also concludes that no scientific evidence supports Reclamation's proposal to lower Upper Klamath Lake below the 10-year mean, and that such operation of the Project could "risk of the occurrence of adverse events" on endangered suckers. Id. at 16.
The Report reaches the same conclusion with respect to the NMFS' minimum stream flow RPA. Reclamation's proposed operation of the Project could have produced minimum stream flows below Iron Gate Dam that would be less than the historic mean. Report at 19. The NMFS 2001 BiOp set minimum stream flows above that mean. Id. The Report concludes that no scientific evidence supports imposing higher minimum stream flows as a way to protect coho. Indeed, the Report suggests that higher minimum stream flows could detrimentally effect coho by washing out cold water refugia that coho rely on between July and September. Id. at 19. However, the Report also cautions that no scientific evidence supports Reclamation's 2001 proposed minimum stream flows below the historic mean. Id. at 20.
In addition to the proposed action, the Draft BA proposes RPAs that Reclamation asserts are "consistent with operation of a viable irrigation project." Draft BA at 97. These RPAs do not include maintaining specified lake levels in Upper Klamath Lake or minimum stream flows in the Klamath River below Iron Gate Dam. Rather, Reclamation proposes a number of mitigation actions, including reducing the demand for Project irrigation water through outright purchase of water from farmers, a water leasing and water banking program, encouraging irrigation in the winter where appropriate, improving fish passage and reducing entrainment of fish in irrigation facilities, and a variety of studies and pilot projects aimed at addressing other factors thought to negatively affect suckers and coho. Id. at 97-103. In doing so, Reclamation appears to sidestep the debate over the most contentious parts of the FWS and the NMFS 2001 BiOps, namely, the RPAs concerning Upper Klamath Lake levels and minimum stream flows in the Klamath River. Indeed, the entire Draft BA avoids drawing any conclusions either about the scientific basis for Upper Klamath Lake levels and Klamath River flows, or whether Reclamation's proposed action avoids jeopardy.
Comments on the draft BA were due to Reclamation by February 8, 2002 and a final biological assessment is expected soon.
FOR ADDITIONAL INFORMATION, CONTACT: Greg Corbin, Stoel Rives LLP, (503) 294-9632
In addition to representing clients on ESA issues, Mr. Corbin also represents clients on a variety of water law issues, including the Klamath Basin Adjudication.
Originally Published in the Oregon Insider #290, Feb. 1, 2002.
Source: http://www.stoel.com/resources/articles/environment/env_021.shtm
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