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01-22-07 Joint PC-EC Agenda AGENDA Golden Valley Planning Commission Joint Meeting with the Environmental Commission Presentation/Discussion of the Water Supply Plan portion of the Comprehensive Plan Golden Valley City Hall, 7800 Golden Valley Road Council Conference Room Monday, January 22, 2007 6pm I. Presentation/Discussion of the Water Supply Plan portion of the Comprehensive Plan Golden Valley Planning Commission Regular Meeting Council Chambers 7pm I. Approval of minutes January 8, 2007 Planning Commission Meeting II. Informal Public Hearing - Section 11.73 Outdoor Lighting Ordinance Applicant: City of Golden Valley Purpose: To establish an ordinance regulating outdoor lighting and to amend, add or delete language in the current City Code regarding outdoor lighting in the following Sections: Chapter 4, Section 4.60, Subd. 6 (C) Chapter 6, Section 6.39, Subds. G & J Chapter 11, Section 11.30, Subd. 8 Chapter 11, Section 11.36, Subd. 5 Chapter 11, Section 11.55, Subd. 5(A)(1) Chapter 11, Section 11.70, Subd. 5(A)( 4) III. Reports on meetings of the Housing and Redevelopment Authority, City Council, Board of Zoning Appeals and other meetings IV. Other business V. Adjournment . .' . \~'''*" t ~I!"""; .' 'i. " ';~'... t" ~ " - , ~. . - ~ ~ ~~. ~,~.""t n -~ 7 1Jl ,~\t<, l~ "', _ .1. .: ',., .-:~'~ ''''~t''' ~. . . ~- ;....' .;'" ~t ~;" _ .<ii&. !li1 ~. I . P.j}. ~i' ~'i 'f' "". ,t ~ ;. l;;."..",' ~ .~~.. '.. - '~.i.o;; ~- ~~~,"" :, - -;.:,;..-( .. ~ ' ~~ :-'\ -.'f _ _ ~.,.......-_~ ~:~ ~ ,~. i: 1- i. ~ P...'r "'~ .;;:t.......~' .c;. _~ ," ~"'~ <'",,' tll'.., '. i{~~ Environmental Commission Planning Commission City of Golden Valley' 22 January 2007 ~ ENVIRONMENTAL FINANCIAL GROUP, INC. ~ . Statutory Plan Requirements . Relationship between the Golden Valley Comprehensive Plan and the JWC Water Supply Plan Update . . Water Usage Characteristics . Regional Considerations . Emergency Plans . Water Conservation ENVIRONMENTAL FINANCIAL GROUP, INC. - - - I'- . . ~.Q 0- " ..0 co N ~ co ('I) " ~ C..... ~ M ~ ('I) L() ('I) L() L() ('I) L() :J C ..... ..... ..... .... .... .... .... cO::: 0 -, 0 ..... >- OJ :J -, V) :) s...... >-41 >- CO N ..0 0- to CO N .... 0- c 0'1'"5 ll') 0- ('I) 0- ,...... ,...... 0- ,...... N 0- OJ 0 0-, CO ,...: CO ,...... to ,...... CO CO CO CO 41 A.....:.. ....., OlE- o :J 0 ~ ...o..<!> 41 :2 ", > - < .,1 ':: > s...... L, (]J ....J I- E L_ >-....:.. >- ..0 " N 0 0- .... ~ 0 0- ('I) <..;.:- C - .... " " ,...... CO ,...... CO ..0 ,...... 0- CO c_ 000 ll') ll') ll') ll') L() ll') ll') ll') L() L() '--j >-- E 41 <!> ~ -, "> 0l:::E 0 ~~ (]J c--, .~..; :J ... 41 - 41 0'1 - V') > 0 ~ <a. E ............. :J 0.. C s...... (]J (]J '"U ....., - c 0 .- ... ~ " co 0- 0 ..... N ('I) ~ ll') ..0 C 0- 0- 0- 0 0 0 0 0 0 0 lJ 41 0- 0- 0- 0 0 0 0 0 0 0 >- ..... .... ..... N N N N N N N . . . . . C1' ..: '0 o U -0. :;!.Cl -0 L.O o ..... . - 0 OJ ='0 L.O c: U V) ~o. "- oU; Cl "- :J CIJ 0::: S- C OJ ..I-J u 0 15-0 ~? ~ =0- 0 ~ e_ c: en C :J C1J~0 0 :J V) ~ 3!CIJ:E L) V) ",- --' CIJ 0 q: e- rn 0:::;: (J E 2 <::: ..I-J z u:: e_ --' E c... <::: f- Z cd uJ 0 2 U ~ - Z CIJ C :J U -0 [( ~:E 0 ;; ~ Z L.O w S- S- 15 '0' N OJ -- o 0 OJ t-en a.. ..I-J ~ OJ t>.() c: 0 0 0 rn = N C r..: ..I-J L :) -0 0. C OJ 0 D- e- ~ 0 ~ -0 ~ . C ..... Q) 0 >- 0 N . )", c:: ,>. co .Q CD 8 en = N .~ ~ ~ E c: ~ E CD ~ o -c I'- " _ N \,.J 0 -(9 co ...... '-+- C 0 CD E~ cO e -- > c:: W , \ ',:' I'" 'r l " .... .~~- , ( ~\ I ' , I I t . . \ c .. l ( \ I l ' l,1. " '\. y' "' 1 . (" ,", I , . l ;. l I e;J . Whatproblem are we trying to solve? . . ; . . What are statutory pJannlngrequirements? + Where is state regulatory'pollcy"h'e<8ding?' + Can we do some things cost-effectively~ achieving the greatest impact? + What kind of provisions might be in a commercial irrigation ordinan:ce? ~ - A e . Cost savings. . Reduce wastewater flows. . Environmental benefits. . Competing beneficial uses. . Water supply limitations. . Sustainability. . Energy savings. . Improved reliability. . Customer benefits. . Regulatory compliance. . Public perception. ENVIRONMENTAL FINANCIAL GROUP, INC. . Modify demand andrev~nue forecasts. . Often difficult to quantify benefits. . .. . + Difficult to implement g'ood progra:ms. + Need to measure results. + Billing system limitations. + "Use it" or "lose it" water rights. a ENVIRONMENTAL .ANCIAL GROUP, INC.. . What is the problem? . + Keep summer peak below 21 mgd. + Strive for summer peak below 18 mgd.. + Should JWC goals be related to the need for a backup supply? . Should JWC goals be related to the need for interconnections with other systems? + .. .or the ability to handle an emergency? . Is there another driver? e ENVIRONMENTAL FINANCIAL GROUP, INC. + .Reducepeak daily. "demand. '~" + Reduce unaccounted-for water. + Maintain water-conserving rate structure. + Consider emergency surcharge. + Consider ability to restrict sprinkllng. '~ Ln. -- ENVIRONMENTAL .ANCIAL GROUP, INC. . + Maintain only.basic water uses.inemergency. + Reduce average daily demand.. + Restrict sprinkling and other non-essential .uses. + Focus on reducing indoor uses. . Consider emergency surcharge. e ENVIRONMENTAL FINANCIAL GROUP, INC. + La'ck of consistency throughout the regiQn. , - @ "Regional requirement/standard for '. conservationlrestrictio,ns" '.' o "Region-specific conservationguideline~ (state):" + Co'nservation Integral to Overall. Planrt-i,ng... o "BMPs/Regs that can adjust tocha;nges in good practices, technology o "Reuse - gray water use. Link to limitations" o "Rain gardens/GW recharge effect on water quality & increasing rate of return to GW source" o "Landscape plans that discourage water waste" ~ .. .- + Current Activities of the" Study~ o Inven~ory of all local conservation 'programs is being' compiled ' + 2007 Legislative Report. S . IV. Water Conservation and Reuse + Role of Advisory Committee. s Consider a spectrum of possible actions: 1) recommending a regional conservation policy, or 2) funding for education, or 3) mandating local government to implement conservation measures e ENVIRONMENTAL FINANCIAL GROUP, INC. ~ l ,:' I., \""" "':"". . "IC'" l .. \\ t - I ~ - t .. ~ ~. I l III l' :t (~~ l) - . ( 1 fU r~~ 4 ~ + Unaccounte,d for-Water <1:Q.olo + Per capital residential use <.75 g,pcd + Peak system demand <2.6x average + Conserving or neutral rate structure + Monitoring plan + Sustainable to natural resources e ENVIRONMENTAL FINANCIAL GROUP, INC. .~.~ ~~'lI:1"rt.;. '';!:~ii:';i"' !~-'--.~;-' ,. ~'.il~;9~;"'> .:.::.~";~ .~~'-< ': ..:: "i~f"~' .~\..:~-<>::.;{::-,~~,:,,~}~.: :.,...... ,:f">~''':. :;:":'~j":~:~"',\I.:-~ D-MJLj-DJea:r~,e~rjft'itpll'ain' ---- - . ~.~-. ----- .- -, - - -:-M'~es _or..P.Lo.g;r-il1m's " , , Unaccounted-for Wate'r <10%" ,or (!) Metering. (!) Accounting for public uses. (!) Audits. (!) Leak detection survey. (!) Repair leaks in 30 days. (!) Meter testing, maintenance and repair. ~ ENVIRONMENTAL aNCIAL GROUP, INC. . ( ,) . ",.. "~t~"'" ";"< .~.., ..~ ~...", ':., ; ':''"'',;:- .... '. .'.>$,lot1 '1" , ~':":"'.::"::::.r1,;"f:"'" c' D-MJL-lO-~ea~r::=Re~rmltp::I~a:h . -~- ~.~-~. -., -:-~6ULes ,or-P..r..o.g1f'-!.J1lftS Per capital residential use <75 gpcd, or @ Determine reasons. @ Events 4x per year targeting indoor/outdoor~ @ Contact high volume customers. @ Incentives. e ENVIRONMENTAL FINANCIAL GROUP, INC. . Peak system demand <2.6x average, or @ Lawn watering ordinances. @ Developer requirements (e.g. soil' augmentation, minimize turf areas, trees). @ Education 4x per year during summer. @ Water-conserving rate structure. ENVIRONMENTAL ANCIAL GROUP, INC. . '. . " . . ( _). . " .'t;:-r:~~:: ....f.;~!DiIlrI.:.;:~_'_ .,...:....;-:.; ":':' "~'. ":'<. ,-"~"<':' ;'. '__ .: ',' "'~-'':'...\i;'' :; <,';:'" >.-:":' " '" '.~ ~':',,'i~' >"';,.;....,..;"" .'~':'" :. . U.nac-c.ollnte.d.lol_Water:.... . ~- . -.------=:.-- .: .., --- - - - -- -----.... - ~-"'.', --:-9.......:L1.e5.oLop.p.QE . · ""il.~!.u . . + Meter replacement + Timely repairs following leak ,detection + Reduce pressures + Use leakage modeling + Monitor progress e ENVIRONMENTAL FINANCIAL GROUP, INC. + Mini'mum ,desig'n standards , + Link to development approval process. + Fo~us on reducing peak demands + Minimize wasting + Reduce overall landscape demand e. ENVIRONMENTAL .NCIAL GROUP, INC. . ( ), '>';:":~'~~'~',:~;~--~,!,-",\",""''-<I/~; '~', ,,", "-:~:',.:-~f'-2:::~E'::Z''';,::;''-;'~'1r' ~, " ,"",_'",c:~~""~~\'\':'::".:>:: ;;'I.'--'-~,:-'-r~~~iY~"""'~f C-OJnmHciaJ~trj~g-,ation ... .. .... .. . ... . ---- .- .----------- ' -.'-. ~- ~ -----..:.- '.' -:-9r-cUaan:-c_e_ hOY.lSjiIO;A\S~~.._, -- -- ---- ./ Sprays & rotors not combined on same control valve circuit. ~ Sprays & rotors have matching application rates within each irrigation zone. ./ Irrigation systems designed to avoid overspray, runoff, low head drainage, other similar conditions where water flows onto or over adjacent property, non- irrigated areas, walks, roadways or structures. ./ Irrigation control equipment include an automatic irrigation controller having program flexibility such as repeat cycles and multiple program capabilities. ./ Automatic controller(s) have battery backup to retain irrigation program(s). e , i ENVIRONMENTAL FINANCIAL GROUP, INC. .. ./ 500/0 of green space may utilize irrigation,techniques other than micro, irrigation. ./ Lawn in excess of 50010 not have a permanent irrigation -system. ./ Delineate micro-irrigation zones. ./ Delineate areas utilizing irrigation techniques other than micro-irrigation. ./ Show sprinkler spacing and diameter of coverage. ./ Turf areas shall be on a separate irrigation zone than other landscape zones. ./ ./ Layer of Mulch of minimum of three (3) inches shall be specified in plant beds. ./ Mulch shall not be required in annual beds. e. ENVIRONMENTAL aNCIAL GROUP, INC. '. ." -- ,(Use of native plant materials is required-. 100k native 'landscaping is required in 2002,20% in 2003 and 300k in 2004. ... , - ,I All irrigation delivery systems will be calibrated and timed to deliver 3/4 to 1 inch of water per irrigation. ,( Automatic control systems equipped with an operable rain sensor. ,I A maximum of 500/0 greenspace may be planted with lawn configured with a permanent irrigation system. Lawn planted in excess of this limitation shall not have a permanent irrigation system. e ENVIRONMENTAL FINANCIAL GROUP, INC. ~\'~.i' ., t.' ,}.. ,;~ f ~, . t'~ .( ~ J, ,. \ I ~ ( ~ .. I,.- (' . . '0 l , .. , ~. ~ ~ l ~ ~ ("~l l.. . ( . u z ... a: ::l o a::: t:) ...J <( U Z . I t . I ~ - ( ..,. ~ ...J <( I- Z w ~ Z o a::: :; Z w ., [ ~ -.. Ct I \..' (11 t.., I' ~ ( l.'. )' Population forecasts Contam ination 1 Groundwater' 1 Conservation Water use .. recharge .. ...... Surf~ce. w. ater Evaluation ~ ! Climate! '.' ;. / Land use .. ~ . ~ Aquifer analysis ~ Demand Projections /' ~ Resource Evaluation ~. \ I Water Supply Limitation Analysis ~ ~ Supplies Adequate Identify/Evaluate Alternatives · Other aquifers · Conservation · Joint community development · Wholesale!retail · Groundwater! surface water purchase e METROPOLITAN AREA WATER SUPPLY MASTER PLAN Ongoing Monitoring !J". ML oz ~ " 4S Water Levels in the Sandstone Aquifer (feet above sea level) . ---r , I- ------' ._- 7----- ; 'Circle areas . proportional to pumping rate (cubic ftlday) 100,000 f- -- --- --- ~- .---------- , _--1-._.._ _..___ ~__...__~ -""-------- --- r--- - -+------..; i f-------- ! - - --- _ _ '_ _-L.. - _.- .--- ~ - _.- "'-- ~-- ~- -.---------:.---- - Well Locations and Pumping Rates o Shallow 0 Deep 1864-1880 . . ___---1-- 1-------..-------- ..~- ..-- -' ;--------- __.',_ _ ____ ..1....__ _~__~------. -- I , Circle areas proportional to pumping rate (cubic ftlday) 100,000 " .--.~- -----.--- .-~-_.---{ L__ I bII~ OOOtl o.ooe 8 II/-ell. - i I V /' Water Levels in the Sandstone Aquifer (feet above sea level) Well Locations and Pumping Rates o Shallow 0 Deep _--1_-.-. -----'-- ~. OoOO8j i 0.008' 1910-1920 b .....-,6.~,--.: _~ _..1_ I Water Levels in the Sandstone Aquifer (feet above sea level) ~___ ----1..____ .- -- _. -.- ---; · Circle areas proportional to pumping rate (cubic fVday) 100,000 l-- ---- _. - -- _____..l- --' ~ --,. -: - -- ..-- -------~----~--- --- ._-~-- .,------, I ~ I L--,__ _. ___ J -- -. .--.-- --:.-.,. -'~ Well Locations and Pumping Rates o Shallow 0 Deep 1940-1945 . . . '. _.:---~_._--- , 600. h---... .-- ..-- '~---r- ----.--------- l--- _-1 _:-_ -...- I __-("'.l Water Levels in the Sandstone Aquifer (feet above sea level) Well Locations and Pumping Rates o Shallow 0 Deep 1965-1970 0.- 0.- l Circle areas proportional to pumping rate (cubic ftlday) " 100,000 I c . , 0.00&1 0.001: I I- ,------ ~----.__r_--- Circle areas proportional to pumping rate (cubic ftIday) 100,000 t~_.- "'i I 1 -~------I I I . -., I I I . - -r-- I I A _ _ ____. j ,..- ---..i- ---- ---' I _ ____~ J __._ Water Levels in the Sandstone Aquifer (feet above sea level) Well Locations and Pumping Rates o Shallow 0 Deep . 1970-1980 . . . ," , ~-_._~_.._-_.----,- I ~1 __.__--- ___ _ _ .__.-___L._________ ? I ~ 1.-____ f> bB!IH OOOtl D.OGe! ~--1 Water Levels in the Sandstone Aquifer (feet above sea level) ; - --....". --- ----_.~ - Well Locations and Pumping Rates o Shallow 0 Deep D.OOSi. D'~I D.OO8- ~ D.ODalt o.cml' 1990-2000 D., D.OOS:' Circle areas proportional to pumping rate (cubic ftIday) 100,000 .. / ~ .._-------~. --- - -----;' i Circle areas proportional to pumping rate (cubic ftIday) 100,000 l J \, , \ I --..-.-_--"'\" j ______-4.-._----:-;----- -- r--.-----.' \ , l----' I --.... --'--~-- - --.,.L ------- - ----- - - Water Levels in the Sandstone Aquifer (feet above sea level) O.OO&i O.OOl:' . Well Locations and Pumping Rates o Shallow 0 Deep 2000-2010 . . :- - ----- . , -- ----- --71-- --- - ~ ---.---- -; ') ) I I I L-_' \ --i ..----:f. .'l!'.n ~..- ---.- L_ Water Levels in the Sandstone Aquifer (feet above sea level) Well Locations and Pumping Rates o Shallow 0 Deep 0.0081 o.ooal o.~., 2010-2020 o. 0.- ,..#. , . I · Circle areas proportional to pumping rate (cubic ftIday) 100,000