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HomeMy WebLinkAboutDocumentation_Regular_Tab 5B_4/13/1989 --T9S • VILLAGE OF TEQUESTA .• Post Office Box 3273 • 357 Tequesta Drive Tequesta, Florida 33469-0273 • (407) 575-6200 1/4� FAX: (407) 575-6203 s h c, MEMORANDUM: TO: Village Council FROM: Thomas G. Bradford, Village Manager <//� DATE: April 7, 1989 SUBJECT: Water Conservation Rates Attached hereto, please find information prepared by Gee & Jenson for your consideration relative to the Water Conservation Rate increase discussion scheduled for the Village Council Meeting of April 13, (Agenda Item V B) . The current rate is $1.05 per 1,000 gallons regardless of amount consumed. Gee & Jenson recommends that the threshold for Water Conservation Rates be established at the consumption level of 30,000 gallons per month. The recommended range of rates above 30,000 gallons is between $2.55 per 1,000 and $3.05 per 1.,000 gallons consumed. TGB/jmm Attachment Nair., VILLAGE OF TEQUESTA I z ,.. Post Office Box 3273 • . �?� `�. 357 Tequesta Drive �,,i�, Tequesta. Florida 33469-0273 • (407) 575-6200 N= FAX: (407) 575-6203 <iiApril 4, 1989 Mr. Richard Staudinger, P.E. Gee & Jenson P.O. Box 24600 West Palm Beach, Florida 33416-4600 RE: Water Conservation Rate Increase Dear Richard: At the Village Council Meeting of March 30, 1989, the Village Council requested to have a Workshop Meeting prior to the Village Council Meeting scheduled for April 13, 1989, tentatively scheduled to commence at 9:00 of reviewing the specific recommendations. offor Geehe&purpose Jenson regarding the Water Conservation Step-Rate Increase. Therefore, please make arrangements to be in attendance at the aforementioned Village Council Meeting for the purstated. Specifically, you should be prepared to addresssthso e following: o Recommended threshold(s) upon which higher water rates would be effective. o Recommended water rate(s) to be effective at the recommended threshold(s) . I am in possession of your last correspondence in regard to the above matters. However, Tom Hall publicly stated that Gee & Jenson was undergoing further refinement of their previous recommendations. Therefore, should you desire to provide me with additional correspondence relative to recommendations, this information must be in m noby by 12:00 P.M. , Friday, April 7, 1989, for submissionewithnthe agenda packets which will be disseminated on that day. Should you have any questions regarding this matter, please contact either myself or Tom Hall at your earliest convenience. Very truly yours, Thomas G. Bradford Village anager TGB/J mm cc: Thomas C. Hall, Water System Manager . - GEE 11 JENSOn __11&4L .L_ AQ2--- EN®INEERS•ARCHITECTS•PLANNERN,INC. I.�-7�� JOB NO. 3 '"r'•• . WEST PALM REACH PLA. — BY_ .DATE. / 44 i I ' , i.. ' .. .1 1 ..i ti i, '. .1_ I _ . I• ,... , + .i..l ' ..! , i ' . .. , ' I ' • • • 1 .. ' ,. .leg 7�A R. ,. 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': - • ; ! ! : : : ! '. -. t. 2.._4,_: : ; : i . : ! i . _.. - ._' • : • t i i . . : , , '_ . :. 1 -.: I .;, , .2. . 1_, , , rj_ ,4i •• - , • • • • • ,4 .• , - kF . .., • •• • f • : , . • • • . • • • - • • , -: : : - : . :: , : , , , , , , , •.: : , , 1 , • -. ! : , : i , , : • 4 ; : . ' 4 : • : - " • . : • - ' . . . . ,: . . :. I - • - ' - • • .. . i : : • • , . ' : ! . : ! • ' ! . • . : , i •- • • : ii - -"-• . : , . . • ; v ' % 1 .. , :. .: : .: • . ! , : • . , • . • • • "1 v. I .._ _ _ • . . . . . .. *. ••• . • ..,.1 1 1. '.._:,..I '..., • .....• :. ...: •. . • a ._. . ..... ... .. .... .. . . . . . . •. . • • - • • 2.7 4.NH' iyes GEE 8 JENSON February 24, 1989 � .,k���' N` Engineers-Architects- J Planners,Inc. w N Mr. Tom Bradford Village of Tequesta 357 Tequesta Drive P.O. Box 3273 Tequesta, FL 33458 Re: Village Water Rates • Dear Tom: As a follow up to my letter of January 26, 1989 I have, with the assistance of Mr. Tom Hall of the Village Water Department, further analyzed residential water usage within Tequesta. My review covers usage from January 1986 to the present (January 1989) . Water Usage The attached figuresgraphically depict the monthly water usage of the five "sub areas" within the service area of the water department. i have added a "trend line" to the graphs to depict generalized trends and to factor out monthly fluctuations. The two graphs for each subarea show monthly flows per meter and per capita water usage (gpcd) for all 5/8 inch meters. Below is a recap of the graphs: TREND LINE VALUES FROM GRAPHS Area 1/89 Avg nualNo. Description 1/89 GPCD Change Annual Change 1 Jupiter Inlet Colony 232 +6.5% 19,800 Gal +10. 1% 3 Martin County 225 +0.8% 18,600 Gal +00.0% 5 Tequesta 150 +5.1% 12, 000 Gal + 4.4% 2 Palm Beach County 139 +7.7% 11,400 Gal + 6.3% 4 Jupiter 87 +3. 4% 6, 600 .Gal + 3.3% One Harvard Circle • P.O.Box 24600 • West Palm Beach,Florida 33416-4600 • 407/683-3301 • Telex 513472 Gad WPB • Mr. Tom Bradford Village of Tequesta February 24, 1989 - Page Two • An independent check of water department billings has shown that the master meter serving Jupiter Martin Water Association (not .shown graphically or included in above values) is recording very large water usage. This master meter serves approximately 30 homes in Rolling Hills and approximately 40 homes on Jupiter Island. As a comparison to the above values, Rolling Hills per capita usage (averaged for 1988) last year was 584 gpcd, and Jupiter Island usage last year averaged 1282 gpcd. To put this in perspective, these 70 homes are using an average of over 5.5 million gallons of water per month. This is over 6% of the water sold by- the utility to less than 2% of the customers. Some action above and beyond step rate pricing is in order for this particular area. Perhaps ENCON could be approached to supply irrigation quality water to these 70 residences. IQ water could save the Vil1 qe up to 85% of the finished water flows presently supplied to t. Jupiter Martin Water Association (± 4.7 million gallons per month) . Also, leaks within the distribution system on the Association side of the master meter may be responsible for some water losses that the Association is being billed for. Except for the Jupiter Martin Water Association flows, water usage in Tequesta does not look too bad. The annual per capita flow recommended for system design parameters is 150 gpcd, based on 2.7 people per dwelling unit. Referring to the previous recap, or graphs, flows to Jupiter customers are actually below this value, while flows to customers in Palm Beach County and Tequesta residents are very close to the average value. Per capita flows to customers in Martin County and Jupiter Inlet Colony, however, are more than 50% above average and continuing to increase. If the Village implemented a step rate for flows exceeding 30,000 gallons per month (370 gpcd) very few customers in Jupiter, Palm Beach County and Tequesta proper would be affected. Most of the impact would be to customers in Martin County, Jupiter Inlet Colony, and of course the Jupiter Martin Water' Association. 30,000 gallons per month is the usage figure discussed at the water system workshop in January and a value we recommend at this time. GEE&JENSON Engineers,Architects,Planners,Inc. 1111111 Mr. Tom Bradford Village of Tequesta February 24, 1989 - Page Three Water Rate Typically water rates are established utilizing - a formula or rate analysis intended to recover water production and delivery costs and allow a reserve fund for emergencies and long range planning. This methodology does not apply, however, for a step rate intended to encourage customers to conserve water. Our approach to recommending a conservation mandated water rate for usage over 30,000 gallons per month is loosely based upon system costs to deliver peak flows. The American Water Works ' Association estimates that 85% of a water utilities system costs are for facilities to meet maximum day and peak hour water demands. In other words out of a $100,000 investment in capital faciltieis, only $15,000 is required for supplying average annual flows, while $85,000 is required for facilities to meet daily and hourly maximum demands. Any reduction in these peak flows (though conservation) could significantly impact the cost of future system expansions. The price "step up" for excessive usage (peak flows) for a water utility could, therefore, be at least 50% and as much as 85% of the total cost. per thousand gallons when the step rate kicks in. The base rate presently is at $1.05 per thousand gallons. We would recommend a "step" of between $1.50 and $2.00 per thousand gallons be added to the base rate of $1.05 per thousand gallons for all monthly water usage in excess of 30,000 gallons per dwelling unit. This represents a range of between 59% and 65% for the "step up" rate. • Implementation The step rate should be implemented as soon as NCR completes software modifications to allow the Village to separate multi- family units and commercial units for billing purposes. Tom Hall indicated this would occur within the next few months. I also recommend publicizing the new rate and explaining the need for conservation of water by residents. Publicity should include • newsletter and newspaper articles as well as a full discussion at the Village Council meeting prior to adoption. GEE&JENSON Engineers,Architects,Planners.Inc. Mr. Tom Bradford Village of Tequesta February 24, 1989 - Page Four • Please call if you have further questions, please call. VV/ii7 yours, l W. Richard Staudinger, P.E. WRS:kmk Project Manager 89-037 cc: Tom Hall • • • • • • GEE&JENSON Engineers,Architects,Planners,Inc. VILv1vG Ur I tlitUtS IA 120 KR C.APfTL OONSiAP. JLI NTi R - , ' 1 110 - n - Marc G 10O n t E._ 40 ii � _ n V . .011 r N.Z 71 r y " 1 ,. LI r J Li u W - , • • u u • 50 1 I 1 1 1 1 1 1 1 1 I 1 1 I 1 1 I 1 1 1 11 1 1 1 1 1 1 1 1 1 1 1 1 1 • 1 2 345 87 801011121 2 34 5.8 78 G1O11121 23 458 78 A1O11121 ITre MONTH 1187 14!tr VILLAGE OF TEQ., JUPITER 30 JAN 88 TO PRESENT 5/8 MTRSAVG MONTH 23 - 28 - - . 24 - 22 - 20 - i" 18 - oQ 18 - r � � 14 - 12 - • 10 - n • 8 - - , : - G rco 8 - - - - _ ._1_. 4 - 2 - I 11 1 1 I I I I I I I I 1 I I I I I I I -I I I D i l l I I I I I I 1 2 345 87 801011121 234587801011121 23 458 78 01011121 WN114 VILLAGE OF TEQUESTA • PER CAPITA CON9MP. PALM 93-1 CO. 2G0 2d0 - 270 - 250 - 1 c,., 240 - E 2 - 220 - v 210 - 203 _ CI 1A0 - 40 1110 - N. tn 170 - 1 fO - 150 - - � A 10 140 J i3 130 .A - 120 - lio 100 - U L N G - I I 1 1 1 1 1 1 1• 1 1 1 1 1 1 I 1 1 1 I 1 I 1 1 I I 1 1 1 1 1 1 1 1 I 1 2 3 4 5 67 8 Q 1011121 2 34 5 6 78 G1011121 23 4 5 6 78 G1011121 • MONTH • VILLAGE OF TEQ., PALM BEACH CO. JAN Be TO PRESEM, 5/8 LE1ERS 30 26 - 24 - 22 - h z 20 - 18 - ^ O 81 16 - $g 14 - •. - 10 - " J ,A JA 111400 Fz %Dv 8 - 6 - 4 2 0 1 1 1- I 1 1 1 1 1 1 1 1 1 1 I I t 1 1 1 1 1 1 1 I I I I I 1 I I I I I ' 1 2 345 67 891011121 2 3 4 5 6 7 8 01011121 2 3 4 5 6 7 8 01011121 MOM VILLAGE OF TEQUESTA 2.3 D _ NS PER CAPITA OOUMyTION, IEDUESTA - 220 - 210 - 200 - • 0 160 -a 180 - z 170 - 180 — n o A 150 r I y - '_�5O 140 J 130 • V • 110 - 100 - Y GO I I I I 1 1 11 1 1 I I •1 1 1 11 I I 1 1 I 11 I I 1 I I 1 1 I 1 1 I 1 2345878Q1011121 2 3 4 Se 7 8G1011121 23 4587801011121 11PCo l!S'� l"P MONTH VILLAGE OF TEQ., TEQUESTA JAN 88 TO FM ENT 5/8 FATREMC uaNTH 26 • 28 - 24 - 22 _ 18 - o 16 6.2 14 12 613 12loao 10 - • - 6 - • - • 2 - . 0 - 1 2 3 4 5 6 7 8 Q 1011121 2 3 4 5 8 7 8 G1011121 23 4587801011121 1.0N11-1 3 PER CAPITA COP6l4P. M RTh OOUNTY 350 1* 3'10 - 330 - 320 -cc 31 0 - 300 - m 230 - U 2fltD - . re r J 2f0 - y 10 240 - 2.30 - 220LI Pi z25 O 210 - ' U L 200 - V • 170 - 160 1 2 345 67 8G1011121 2 3 4 5 6 7 8 G1011121 23 458 78 G1011121 MZINTH • VILLAGE OF TEQ., PALM BCH CO ..1M1 8870 PfoSarr.s/8 1.€7ERS MONTH 24 - • 22 - • • 20 - 18 iIo0 I 16 -• 14 12 - 10 - a - '6 - • 4 - • 0 . 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 r 1 1 1 1 1 1 r r 1 1 r 1. 1 1 1 1 2 345 67 801011121 2 34 56 78 01011121 23 456 78 01011121 MOMT•1S _ VILLAGE OF TEQUESTA _ PER OAFITA CONSMP. Jt.PfER IFLET OOLONYi 340 — r. .3►'0 — MO — 310 — J0 — I tY 230 —230 ji Q Z 2� — r ?3D Ali 32- 220_ if , 'w' 210 • '1430 ._, irf I ... ., _,:.,. „....„.„.1., 170 G ., 160 — 150 - .. .140 1 1 I I I 1 1 1 1 1..1 1.. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I 1 1 1 2 345 67 801011121 2 34 56 78 01011121 2345678131011121 • MJPtiH • VILLAGE OF TEQ., JUP.INLET COL Ji i ae TO PTcsEM. sf8 ic-nags 30 2a _ . .. . iiiii . . 26 - 24 — 0 1s — n iii. iiii, Ar. u 12 18 —, - r ...r ; ly,ao� lir ii �14 r ilif 12 — MI 0 X 10 s - 8 _ 4 - 2 - 0 '_ I I I I I I 1 1 l I I I I I I 11 1 1 1 I I I I l I i 1 I I I I I I I 1 2345878G1011121 2 3 4 5 0 7 8G1011121 23 4 5 8 7 8G1011121 MONTHS FEBRUARY, 1989 Billing register indicates: 10% - 12% of residential customers used 30+ 5% of these used 50,000 gallons + Aveaaae Daij,ysonsumption %;aohs over last 2 years 1. Inlet Colony 283 gpc/d Z32 2. Jupiter 24 gpc/d 87 3. Palm Beach County 104 gpd/d 139 4. Martin County 192 gpc/d 225 5. Tequesta 137 gpc/d 150 6. Rolling Hills* 400 gpc/d 584 7. Jupiter Island* 677 gpc/d 1,200 • * Jupiter/Martin Water Association — — - . . . .... I .•.+ nuununmwuroe� RR. BRADFORD'S WATER BILL FOR THE LAST 6 MONTHS Canept, Old Rate . Row Rate Il jQQ'sl (F1at) Map. Rate) Increase October 30 $39.80 $39.80 -0- November 37 - $47.15 $57.65 $10.50 December 30 $39.80 $39.80 -.- January 32 $41 .90 $44.90 $ 3.00 February 27 $36 .65 $36 .65 -.0- March 18 $27.20 $27.20 -0-