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MINUTES - 02262008 - C.89
r i ContraTO. BOARD OF; SUPERVISORS FROM.: John Cullen, County Administrator ' O� = +,aa IIId.11�A���Ya. H1, 1 .m 1 ♦0' -Costa . DATE. February 26, 2008 U ou.nty SUBJECT: Zebra and Quagga Mussel Infestation, SPECIFIC REQUEST(S)OR RECOMMENDATION(S)&BACKGROUND AND JUSTIFICATION RECOMMENDATION: REFER to the Fish and Wildlife Committee, for discussion, a review of the Zebra and Quagga Mussel infestation and the Ba Areawater districts development of rotective measures to safeguard Ba Y p p g Y Area fresh water. FISCAL IMPACT: None. This is ajeferral only. BACKGROUND: Ed Meyer, County Agricultural Commissioner, advises;that although Zebra and Quagga Mussel are not a threat to the Bay or other salt water areas they at e an extreme environmental threat to fresh water lakes and rivers. It is Mr. Meyer's o inion that education ucation will'be a major tool in dealing with this p J g pest. Mr. Meyer further suggests that the Fish.and Wildlife Commit-work with marina and. boat ramp operators to develop educational materials and precautionary. procedures. Therefore, we are recommendingthat this matter be.referred to the,.Fish :and Wildlife: Committee for discussion . regarding the development of protective measures to safeguard Bay Area fresh water lakes and rivers. CONTINUED ON ATTACHMENT: YES SIGNATURE: RECOMMENDATION OF COUNTY ADMINISTRATOR 'RE O MENDATIO'N OF BOARD COMMITTEE APPROVE OTHER . : it SIGNATURES ACTION OF BO RD N APPROVED AS RECOMMENDEDlooe OTtJ(ER VOTE OF SUPERVISORS I HEREBY CERTIFY THAT THIS IS A TRUE AND CORRECT COPY OF AN ACTION TAKEN AND ENTERED ON MINUTES OF THE BOARD OF SUPERVISORS ON THE DATE SHOWN. UNANIMOUS(ABSENT ) AYES: NOES: ABSENT: ABSTAIN: Contact: Julie Enea(5-1077) �- rum cc: Agriculture/Wei hts&Measures ATTESTED 9 County Administration JOHN CULLEN,C RK OF E BOARD OFSUPERVISORS BY: DEPUTY F I I I Meyer P Department:.®f AgricultureContra Edward 2366 A Stanwell Circle Agricultural Commissioner Concord, California 94520-4807 Director of Weights and Measures (925) 646-5250 Costa FAX (925) 646-5732 Co' unty Branch Office +! ; Knightsen Farm Center SEA_L Delta Road @ Second Street P.O. Box 241 Knightsen, CA 94548 _-•; (925) 427-8610 O —ivd'7�'•1I FAX (925) 427-8612 Osr'�COUPZ�� To: Board of Supervisors .F; From: Ed Meye ounty Agricultural Commissioner CC: John Cullen, County Administrator Date:. February 4, 2008 Re: . Zebra% Quagga Mussel Information A recent newspaper article has generated a few calls. The article was about.the.Zebra I Mussel infestation in San Justo Reservoir(San Benito County) and the Bay Area water districts implementing protective measures to prevent the introduction of Zebra Mussel to our reservoirs. I thought you might be interested.in a recent report about Zebra/ Quagga Mussels and inspections taking place at our State's border. It;provides information about what the inspection involves and the actions required when the mussels are found. . The Department of Fish and Game is the lead agency in dealing with the Zebra Mussel infestation in San Benito County. Because the infestation is connected to the federal water system,..the Bureau of Reclamation is also involved. The California Department of Food and Agriculture is,providing support. Zebra & Quagga Mussel are not a threat to the Bay or other salt water areas. However, they are an extreme environmental threat to freshwater lakes and rivers'. It appears that -education will be a major tool in dealing with this pest. My suggestion would beto have the.Fish .& Wildlife Committee work with marina and boat ramp operators to develop educational materials and precautionary procedures. 1 Watercraft Inspections at SON! er Protection Stations. February 2007 November, 2007 Background Quagga and zebra mussels are harinful q p invasive species that disrupt aquatic ecosystems,, and have severely affected water infrastructure in the eastern United States. Between .1990 and.2000, an esti m"a'' tedi.$5 billion'was spent national) to control p Y these pests. Additionally, these mussels have altered the habitat and water chemistry in areas of infestation to the extent to make them uninhabitable to many nativespecie'. Establishment of either of these species throughout'. California, articular) in the .� particularly California State Water- Project system,'; i11. be potentially .devastating to the state's environment and economy. Quagga' mussel was discovered in Lake Mead aloe the. g 3 `z Arizona-Nevada border on January6 2007 Subsequent :xw.. F surveys have detected the mussels in the Colorado River r: = - �: y downstream from Lake Mead to Lake Havasu, CA/AZ and -:�:✓ throu h out .Much of the waters stem and adjacent waters `':-'?:::;fir"%:•ypYi. ':'R:".tib` b>-:.. Y :r::;•. sup lying water to southern California from the Colorado pp . f=: _-_�== _ -`�:j¢.V _ _ r . are e unn Rev Effoits d rw aY by several I agencies L=a k g e and California Department of Foodincludint Agriculture DFA to exclude and kee 1• these mussels - - ( p _ ? -_t: •- m gaining n di i n l footholds in California. ad ft.'„''-•. - ;k.;.1=15]i 3i:: ..:vWatercraft used in infested waters pose a significant risk •z t.Ld(L''� Pa ' - of trans ortih, these mussels to new -waters. m: 5 � p gMussels may be moped as adults attached to boat hulls (they may. live out of v�ater for several days). or as free-swimming larvae transported with trapped water maxed in boat bilges,; live wells, and other places capable of harboring water while boats are in transit. A significant component of the effort Jo prevent” further introductions of these mussels is CDFA's Border Protection Station (B;PS) Program. Strategically placed along California's border, these stations. offer the best opportunity to inspect.watercraft from other states and the Colorado River before they: are placed i:n California waters. Between .1993 and 200.3 watercraft infested with exotic mussels were intercepted 43 times at the BPS. In 2003, BPS funding vas severely cut; limiting the program to.the inspection of commercial vehicles (trucks') only. Although inspectors continued to intercept large boats ;commercially towed behind trucks, private vehicles, including those towing watercraft, werE) not inspected from July 2003 through January 2007. Because of the close proximity to California of the-quagga mussel finds in the Colorado River drainage in January 2007, funding was granted to .provide staffing to :conduct watercraft inspections on all vehicles on e full-time basis at six stations. Watercraft Inspections at Border Protection stations ,:a} Page:.2 Inspection and.cleaning Methods CDFA inspectors contact. all operators of vehicles towing watercraft through BPS and question them regarding when and where: the watercraft was last used. This information is recorded for later analysis. Because the mussels are constantly being found in new waters throughout much of the United States, all watercraft are inspected regardless of origin. Inspectors "check watercraft f.or adult mussel,s by visually inspecting hulls, propellers- motors, trailers, and other surfaces that.would typically be below the waterline when the watercraft is In use. Additionally, all holds (i.e., live wells, bilges, etc.) are checked for standing water capable of.harboring the microscopic free-swimming larval stages ofthe mussel. All standing-water,is drained or pumped from the watercraft"before entry into California is allowed. watercraft found with adult mussels clinging to the hull are cleaned to the fullest extent possible using.a pressure washer and then forwarded to CDFG biologists for further risk mitigation. This mitigation may include. dry docking the vessel for an extended period of time, operating the vessel, in saltwater (which kills the mussels); or cleaning and washing the vessel with any of several substances known to kill."Ahe mussels. Public education and cooperation are essential to successfully limiting the spread of these mussels. To further. this cause, all watercraft owners are presented with educational materials showing general information on exotic mussels, -watercraft cleaning, and what they can do to help prevent spreading aquatic pests. • r .. . ..... .. ...... s ^y4, k ������++++++------iiii r\•.�• A� - ffffff I k. . p gp I •� w I Din fd'M s n - r f i v I I :.tea.. 4.. �! ,I,�S• r a 1 T, .. ... _�... S. it -al � � .. .............. ....... - _ G r N i R 5 - I 1; i .........:....... ... .. ... _-..a, ��..-. .'ter'. ,>.`. fi y _. ....... .._ ...... .. ....... r.. .... }:. 1. �,.s,r:�•: o�� y..� : , .............. .. .. .. .. _... ............... - `.SPY.` �••11 ;. u } ., - rz•- .. .... .. .-.. v ... .a.._.. .':.T-ire�f'^.�_.�c .. a .. .1 v}r n .. ................. .n..._. .......,... - AI Mfr. .,2. ... _ .. &ter ( :.... .. .. ................ .�.,..:� ...A� aa : Y 1 a ::'Vii:.. �' '":>:��:'!''.. � '�• '�'^i•''4 `�.gip r`. Y r - m .. ,r'• .. �r<-� :��. _' -'-:/fir '"'� ^Y r r r : - ii5 vt'•+M v5 .E-.q:�r:,;y;: .y• -� .',�jc? .t . r = . - , ..�{, ' .� rti'•-{n'�_.. wF.'a�riyb _vJll�.��.3'� •�' �.�._;a,�,. �� .:i�i�r #I�; jf_ _ �_, r rv�,+►k i yrs r;:�^-�- � .... �!•L�. �': .�" }, -iii:. > {� ,o.. ,�. �..:..:.�:...........: ....>..,... ..r. - � =bs•,I..._• :cam 1 c• r: ';...N _ �� ,_ .I��..� ��i-�}•� Mussels have been found on watercraft of all shapes and,sizes ranging.from this 40 yacht to personal.watercraft like'these •Iza cd'tat. ..,._.(mal]iTl4 1'?:£��,,'yy��•L:c:. +I _ A .E k _ - ��'^;. 44 ;..,n `:ate: _`�'£y �. +;,r....y,� v'.r.:-.�;:•:�,. .�d. ' _:3 �•. S l-,�'":fir::=`r-:� r.�:i' '� w .. . . .. . .... . . j.... .... .i . . I . . .. . ;.--� . 11: .. .. .. . . . . ,. ..I . . ! . . . -z ..... .; . . I . . . , . . �-, ,:.,.. . .. . I . . . . . . 6 . ,A . . . . . . .. . . I . . . . . * . . . . ; ! . . . . . . I . . - . . . . . r . . ... . .. . I . . . . . .. .. . 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S, . 1. i : . ; I . .; . . . . . . !: . ! . : . . . . . .! . . : : . . . they can be placed in water. . .. . . . . . I . . . . i - . . .. . ... . . . . . . . . . : . . . . . . - . .. . . i . . . I . . . .. . . . I . . I . . . . . . . . . . . . . . : . I . . . . . . . . . . . . . . . . . ! . . . . 1. . 1. I - .. . ... i . .. . . . ... . . - . .. I . I . ir %. , . . . . . . . . . . ! . . : .. ... :�-.. O , . . . . � . . . . .:, . . ,;.- ,-�-,-�,�-,-P� . . . . i ,,, .- I . . . . . .. I . -A, . ;Al . . . . . . I ..;,;�;._-1.-' . . ii... ...: , . E172; I. h P.I., I , f �'",V" I I - � - t , kQ": . . . . . .! -1-T, .. . . - . .. . .. . I . . I �-.!-rr,. ; I . . . . I . . . . ....-- . . . . . . . . . . . ; . 0, I 11 I tat . - c . . . . . . ; - . . . . . I ;1... -,.=i�.. . . - . . : . . - . . . -7 --�- - . . . . � a . . . 9---i . .. . I .. . . . . : . . -`--!- . . . . i . � . az�- -. . . .. . . ! . . .. . . . . . . . � .i . . . . . . . .. I 1i . . .. . ; . Watercraft Inspections at Border Protection Stptions Page: 4 ................... ............................... ............... ............n.ercep ion ... ....... dt Ye ......... ........ .......7. ............... .............. ............ ............................................ ..............E3 Mussel Interceptions .............-...........................6 0 .............. ONNOM ........... ...........577 ..............Since the.early 1990's..CDFA s border protection stations have inspected watercraft. to exclude quagga and zebra mussel from California. This. responsibility has greatly increased with the'. "in close pro. ximity to California's border.recent infestation.of the Colorado River, ............ �Ouisi P _Wii on .........P In. ..........0 a n.I4d;1i Pa."p.PS 6� Ar O-AbW OEK ir .-!L A'O h-us-s%;e��",.1�l",-t,:'',!""-, .V.q w�ig r M h:ic ............Historically, adult. quagga and zebra mussels havve been intercepted on -watercraft, rom many-.eastern states. No interceptions were made f rpm Arizona and Nevada until 2007 when the....mussels were found in the Colorado.River. d-f-aa :{ t r d � .. . . `I . �. . Watercraft Inspections at Border Protectibh Stations.. Page: 5 . :: :. , :::::::: ::::::::.:.:.:'::: ater ..r In e t .: n. .:R. c a s c ed a d - r...I •::::':: :: a esed o C n ..:'.:...:. ea ed . . . ::... . :.:..: .-..• ... . . . b:. ::.: t ti n".:F .......N v.2 .... :.......'...::..........:.....:.:.':.:...::.:.....,... ..:......:.. ::::..:.....:..:...,:.. Sao eb o 007 :: . , r Cyt.Y t ] 41 �'. . [ . / . `'qfr �! . .A . . Watercraft Inspections at Borden Protection Mations .r • . .; . . Page: 6 Summary . . . Invasions of exotic mussels.into California's' ,,aterways will have significant ecological . and economical impacts to California's environment, industry, and private citizens. . Stopping or slowing .the spread of these puts in California is dependant on public education and the actual inspection.of watercraft by regulatory agencies. As evidenced � - by the 100+ finds of watercraft infested with ;adult mussels in 2007, CDFA's border , . . protection stations are a key.resource in reducing or eliminating this threat. ,�: _:'. ..� �r.� - - t: --�:: -. .. .. .-:....„-. - -r -.`,.. R' - r a,y__. t ..t r ,,.,r,,. _ ,:,:L . ..p... _ t :-F�� i y _ s r ,. r.-i _ A .....- q -Uj'. - t-, ...,_. s�� Gln "1'. 0 -. .. _.. ......•...-... .:__;...•c�. ."� ~'tie •\.. . .. a r ,_�. r_M1-':-'a:i � ,I�:i .--.. a.. .:....:... _ 0. i.. ,. .-._ -..-. - - .._ _.,- - - „ 4 _ .+:t4". .. .. .. _ ....._ _-'— - Y ._ .. t._, .. .. a._ ., ,...,... _ .. - ..-. ^ �� :.. :: 'T z _ :, . �. - - rt_ �. ._ o _ 1,14 F. _ YI .'EH, : . .. .. - - - - .. r..,..- - .. ,. _. - _.... _. - .. _ _ ._ .. ''. - .1 - . Y ... .. .. .. .. 1•t: I' . .. _ - _ .v .. .;