.. ... ... . . . . . . . . . . . . . . . . . . . . . . . , . . : 32E: 0,$3.. 2* b . . U. , : t , ,-. .;; . . :. . . . . .

... . . . . . . . . . . . . . . ,. . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . . . . 1- :: LIVINGSTON, . . . . 'e-.' A BADRy .:-.

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-. '; . ."' !.''E. -.LiVlNGSTON 'ASSOCIATES . ; . . . . . . . . . . . -

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CONSULTING .'.GROUNDWATER:GEOLOGISTS , ' . ; . . . .

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_. . . . . . . . . ,

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'1401 WEST BROADWAY;

. . 1 .'? : . ' June 20, 1979 . . : 'TELEPHONE: 7389232. ..

. . . . . . . . . . . . . . . VANCOUVER, B.C, V6H 1H6 - .

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. . R u t l a n d Waterworks Di s t r i c t . . .

. . . . . . . . . . . . . . . . . . . .

. . . . . . . .

160 Highway 33 West

V 1 X 1 x 7 .

Attention: . Mr. G. B. Sloane' _ , : . ' .

. .I . . ' Kelowna; B.C. . . . . . . . . .

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Secretary-Treasurer . ' . ' _: ' . .

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. . . . . . . Dear S i r s : . .

. . . . i ' ...Re: '..,Construction and Testing

' . The purpose of, t h i s le t te r - repor t i s t o desc an.d t e s t ing ' o f . the new well 'along, Springfield','Road.' '?he i s .approximately 800 fee t .west 0.f Well No:6 'wh

. . . . . . of Well No. 10 on Springfield Road. . . : . . . . . . . .

. . e the constru'ctj on. ::, w:. 16,ij::;dj ameter,' ie1l1';.- e ' .i ,Ftersection o f ' . , . '

ea.., out by, A.: : C.' 'Qri'? 1 6 ~

wi. t h. :.A -'x .:. .Dri 1 I e ri. .

.. ,

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aut .by 'Aqua-Fl0.i. . _ . . . . * . . ' . ' ' . ' .

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,WELL ,CONSTRUCTI'ON ' . ' :. ' . . . . . .

.L . . Drill ing began on February 2 7 t h . a n d was terminated on 'April' 1 1 t h : . .

'when d r i l l i ng encountered a 6 foot layer o . f . ' t i l l from 178' . to 184,feet and the

indications were t h a t they could'supply the desi red,.quantity of'water.

was ins ta l led . The completed well ' i s 16 inch.diameteri The log. of .the..well ' .

. .

' casing was get t ing . t i g h t . The water-bearing'gravels above were very 'loose and

To f a c i l i t a t e dril l ing;. 16' .feet o f 20 inch..diameter surface casing

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2

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s33

Alan Kohuts33

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\r. ". . . .

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. . Page 2. . .

. . .' June 20, '1979

i Secretary-Treasurer Rut1 and Waterworks Dis t r ic t I A t t n . Mr. G:B. Sloane . .

. .

. . i s as follows: '

. O - 16 f t . 16 - 19 f t . 19 - .30 f t .

. . 30 - 46 f t . :.46 - 50 f t .

50 - 72 f t . 72 - 95 f t .

104 - 108 ft., -995 - 104 ft.

108 - 130 ' f t . 130 - 134 f t . . 134 - 145 f t .

. 145 - 158 f t . '158 - 164 f t .

. sand and gravel w i t h cobbles .interbedded.grey clay and sand and

grey-green s i l t y ' t i l l s i l t y t i l l interbedded w i t h sand,

f ine sand w i t h 12" beds of greenish

f ine sand . w i t h ' t h , i n clay interbeds , ' .

fine sand w i t h small gravels a t bottom . , . . f ine t o medium sand w i t h Tine t o .coarse

. . . . grave 1

and small, gravel

. s i l t . . . . .

fine grey sand . . ,

. 'cobbles and s i l t : . '. . . round 'and subangular gravels , some

medium t o coarse round and sub- . angular sands and gravels medium t o coarse sands and gravels, . grey; cobbles fine t o coarse sand and gravel , ̂. ' cobbles

fine t o coarse-'sand, some small. gravels., grey; a t 158 f e e t greenish s i l t layer

medi urn. sand,' some gravels ' . 164 - 167 ft. 'medi urn' t o coarse. sand a n d ' gravel.

167 - 168.ft. ' ' grey s i l t lens 168 - 178 f t . - medium t o coarse sand ,and gravel, 178 - 1 8 4 . f t . , grey sandy t i l l . ' . .' . . . .. "

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samples collected every few f e e t i n the water-bearing material. s ieve analyses are included i n the Appendix t o t h i s le t te r - repor t . arrangement i s as follows:

Copies of t h e The screen

14 f t . . 6 f t . . . 7 f t . .

type. K packer 0.060" slot Johnson's s ta in less s tee l

0.120" s 1 o t screen 0.150" slot screen 14" pipe b l ank .:

14'' pipe-size screen . .

cont ' d. . . /3

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c. ' . i ; . ; ; , . ,

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. . . . . . . . . Page 4. . .

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. June 20, 1979. _ _ . ' . . .

. . . . Rutland Waterworks D i s t r i c t .

. . . '. A t tn . M r . ,G. B. Sloane ". . . .

Secretary-Treasurer . . . . . . . . . . .

.I . . . . . .

. . . .

,,:fol'l.owing te rmina t ion o f 'pumping, a& included, i n the Appendix':to' t h i s ' l e t t e r . . . .

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The pump i n ' Rut land Well No. 6 was shut . o f f i n the morning of May :

- . 24th t o a l low recove ry 'o f t h e water level...and.:to permit , No. 6 t o be use'd'as a n . . observat ion wel l : Unfor tunate ly t h e . i n i t i a 1 observat ion w e l l readi,ngs, i n c l u d i n g an i n i t i a l s t a t i c leve1,were missed;' I n analyz ing t h e pump.test data a l e v e l of

..20,0 feet i s assumed f o r t h e s t a t i c . l e v e 1 i n ' t h e observa t ion wel l . - : 'A. .C."D;illers . . were concerned about .a poss ib le sand'problem and we agreed, t o ca r ry o u t t h e . , tes t i 'ng 'using a ser ies ' o f steps, s t a r t i n g : a t .as l o w a. ' rate as'possi:.ble t o . a v o i d

, ' "s.hocking" the ' aqu i fe r . ' - ,The ' lowest ra te the pump cou ld be:. s t a r t e d a t was :785

. .

. . .USgpm. 'Increases were made i n pumping r a t e a t 100 m i n u t e s , a f t e r s t . a r t , ' a t ' . ...

200 minutes , .and f i na l ly a t . 680 minutes. The. f i n a l pumping . r a t e ' o f 1893 ' USgpm. ' ' was no t ,maintained long enough fo r s t a b i l i z a t i o n o f the'pumping water ' l e v e l . t o .

"

, occur. A decrease i n ' t h e drawdown t rend only began:to occur between ,880 and 980 , . . ' . minutes of -pumping.. ' I n , l i g h t o f in fo rmat ion a t hand on ' a q u i f e r performance t h i s j . i s ' n o t a cause, fo r concern.

t k e beginning o f the t e s t .

. . . The"i n te r fe rence ' Th is wi 11 have i n s i gni f i cant

. '. Wel l , performance

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,"Minutes o f ' : Pumpi n g '

100 _. 100 - 200' 2.00' - 680 680 - 980..

I

Only a few,grains' o f very . f i n e ' s a n d were noted a t

i n W e l l No. 6; about 800 f e e t away, was 3.'85. f e e t . e f fec t on w e l l performance o f Well NO.'IO. ': :.

dur ing pump t e s t i n g may: be summarized as' fo l lows:

. . . / . . . . . . . . . . . . . . . . .

, .

Drawdown Speci f i c Capaci ty ( f t ) (USgpm/ft) 12.47 62.95

933 14.68 63.56 1,304 25.39 51.36 1,893 44.19 42.84

. . . The w e l l performance o f 42.84 USgpm/..ft. a t t he pumping. r a t e o f 1,893 i s some-

' . what b e t t e r . than the performance .of..26 USgpm/ft. o f drawdown f o r We1 1 No; 6 when pumped.at 1,793 USgpm. The capaci ty o f Wel l . No. .6 i s g rea te r however, because i t i s constructed, i n . a deeper p a r t , o f the t h i c k an i so t rop i c leaky aqu i fe r . The top o f the screen i n Well N.o. 6 i s a t 220 f e e t below ground. .

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. . . ,Cont'.d.../S . . . . .

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' n ..> :, . . . ... . . .

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. ' ; . , ' p a g e . 5: '_ . . '. -. r < ,* L ' . 1 .

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.' June .20, 1979 , ' '

)

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. . . . ' .-:,Rut.land Waterworks Di s t r i c t , ' . . ' . . .

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. . . .

. : A t t n . Mr; G. B . .Sloane- Secretary-Treasurer' . ' . . . ;' I .

1 . . . . :.:, ... . . . . . . . . . . . , . ::.".. . . . . . . . . . . . . . . .

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se of the thick i ce contact aquifer i n which Wells No. 6 and No. 10 are constructed and i t would be misleading t o draw very s p e c i f i c conclusions about the resu l t s of the transmissivity obtained by these methods.

Because the pumpin.g.leve1 had not become s t a b l e a t , the . ' f inal pumping . ' '

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'rate .'of 1,893 USgpm,' the' exact ' capacity ' oi . . the wel l cannot be calculated. making cer ta in assumptions and extrapolations the capacity. ,cer ta inly seems t o be

.. as. much as 2,000 USgpm. ; I t - i s ;okay t o . equip 't.he we1 1: w i t h a purnp'of, 'a capacity.

. . o . f 2,000 USgpm; t h e pumping level. wil l -probably be i n the order of' 80 . f ee t below 5 . ground..' We assume tha t the p.ump will .be set as .usu,al j k t . a b q v e the , t o p of the .:

.Th,e "uncertai nti es. about . the: exact wei 1. capacity. can bes,t be answered

By . . . .

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. . . . screen. ,

. by observations, of production :from the -aquifer ' a n d the. pumping level . d u r i n g us,e . . . . . . :

o f the 'wel ls ." The intekference. e f fec t . noted i n Ne11 10. 6 is 'compatible w i t h our concept of the 'complex, leaky,"ice c,ontact aquifer in which the two weils a r e . ' ( ' , constructed. . 'The .inte'rference confims' t h a t there is an ind i rec t hydraulic connection between more permeable par t s of ' the i ce contact'mass. , '.. '

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' . ' . SUMMARY 'AND'.CONCLUSIONS . , ' ' . .

1. has been constructed on the north s i d e of Springfield Road about 800 f e e t west of t h e D i s t r i c t ' s Ziprick Road Well No. 6 .

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cont'd.. . / 6

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s33

s33

s33

Alan Kohuts33

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., . < PL < . . ' P I

. . . . . . . Page 6. J,une 20, 1979 . . . , . .' . . . . . .

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. . . . ;'.:Rutland .Wate&orks Dis t r ic t . '.. . . ...

, .

. . . . . . A t t n . Mr G. B. Sloane

. . Secret ary-Treas u re r . .

2.

3.

4.

5.

6.

7.

Yours

. . . .

Weqi No'. 10 .is '176' f e e t deep and i s equipped w i t h 43 f e e t of 14 inch p i p e . s i z e ,screen in . several sections separated by :b lank pipe.'

Well NO. 10 was 'pump tested f o r 1000 minutes % a se r i e s of s teps . : The highest +ate was 1,893 USgprn.during"the:l.ast 320 minutes. of- . t he , ' t e s t . became a.problem. '

The interference eff&in . . . ,Well No;: 6 on ,Ziprjck Road was 3 .85 : f ee t ' a t the end of th.e t e s t . , : .,

The'capacity. o f We'll NO. 10 i s 2;OOO USgprn or .more; performance should . . - ' ' be observed during'use.;. ' Well. interference 'between Wel,ls,'.No.. 6 and No. 10. w i 11 n o t interfere ' w i t h ' production.

Wells, No.. 6:and No. .iO are 'constructed. 'in permeable', parts o f , thi.ck, i ce , contact deposi ts ' .underlying this ,ar.ea.

Well No.' 10 ,should be equipped w i t h .a 'water meter and' provision should .. , . . be made t o observe:water.. levels when the well i s in use. ;,

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Testing. had ' t o be terminated when disposal. o f d i scharge'water . . . .

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t r u l y , . . .

E. LIVINGSTON ASSOCIATES

A. Badry, Geologist

AB/ ams

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. . PUMP TEST WELL NO. 10

. RUTLAND WATERWORKS DISTRICT - . May 1979 , ' (cont inued) . .

. . . .

'PUMPING TIME . , MINS SINCE DEPTH TO .. DRAW- '. . DEPTH .TO ' . DRAW- . QRI FI CE

02 : 40 2 70 37.11' ' . , 24.52 22.28 '2.28

WATE,R(ft) . DOWN(f t ) .' PRESSURE ( i n ) . RATE ' REMARKS . . (Usgpm) . . . .

. START . WATER( ft) DOWN( f t ) . . . _ .

. . . .

, ,

. . . 02:50 2 80 37.10. ':. 24.51 : 22.28 2.28 03.:00 290 37.11 . . . 24.52 22.29 . 2.29

03: 10 300 . . . 37.15 24.56 . . 22.30 2.30

04:50 400 ' ' 37 .53 . 24.94 . . 05 :40

06 : 30

07:20

08 : 10 09 : 00 09 : 30 09 : 33 09 : 35 09 : 42

450

500

.' 550 600

" 650 .6.80 683 685

,692

37.65 . . .

37; 74.

37.75'

37.85 . 37.91 ' , , 37.98,

52.75 . ' . . 54.10 ' .

. .

52.05. .

25.06 . .

25.15 . '. 25.16 . .

25.26' 22.83 ' 2.83 25.32 " . ' 25.39 . . .

39.46 40.16 . 22.88 - . 2.88 40.51

37 1893 Increase ra te

Pump o f f ne Wee 09 :50 700 52.54 ( ? > 23.13 3.13 10: 30 1.0 : 40 , '

. . 740 ' . 49.50 750 ' . 49.20

35.91

35.61 23.50 3.50

09:55 and 10:2C due t o mechanic problems

10:50 ' 760 55.00 42.41

11:oo 770 55.34 . 42.75 11: 10 780 55.65 43.06 12:50.. ' , '880 . 56.41, ' . . . 43.82

13:40 9 30 '56.74 44.15 23.80 . . 3'.80 ' _ .n. , .

9 80 56.78 '44.19 ' . ' 2 1 ' 7 2.85 S t C Jmp -. .

14:

. . . . . . '.

- RECOVERY . RUTLAND WELL NO. 10 (continued) .

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:'. T IME MINS' SINCE DEPTH TO ' . ' DRAW-. . ' DEPTH TO. DRAW- . , . MINS SINCE, . ' START . WATER( ft) .' . DOWN(ft) ' WATER( f t ) . DOWN( ft) ' ' ' ' , ' ' ' . ' ' 'STOP.' . ; ' . ' 't/t REMARKS

. .

. . 15:40 1050 . 13.87

. :': i' .: . 15 :50 10.60 13.80 . 1070 , 13,71.

10 80 13.65 . ' . # :' "17:OO . 1130 13.12

L. .

2 . ,

17, ._;17:50 1180 ; 12.99 ': ' 18:40 .. 1230 12.91' . .' ' ' .. 19:30 , 1280

20:20 1330.

1.28 21.67 1.67 1.21 21.58 1.58 1.12

1.06 21.45 1.45. 0.53 21.17 . " 1.17

. .

0.40 20.96 0.96 0.32 20.84 0.84

20.76 0.76 20.65 0.55

. .

. "-7

70 ' 15 . ' '80 13.25

. . 90 11.89 . ' . ' 100 10.8

150 a. 53 200 5.9 . 250 4.92

. 300. 4.27 3 . 8 - . . . . ' ' . 350

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PUMP TEST"WELL NO.. 10 . .

RUTLAND. WATERWORKS. DISTRICT - 'May 1979 . ( c o n t i n u e d ) . . . .

16" Pumped Wel.1 OBS.. We1 1 . . . .

T.1 ME MINS SINCE DEPTH 'TO DRAW-' . . :' DEPTH 'To DRAW- ORIFICE . PUMPING. WATER( ft) DOWN( ft) . 'PRESSURE( i n) RATE REMARKS

' ( U S g p d . . . . . .

START . WATER( ft) ' . . DOWN( ft) . .

May 25 00 : 05 00 : 10 00 : 15 00 : 20 00:25 00:30 00 : 35 00:40 00:50 01:oo 01:20 01:30 01:33 01:35 01:40 01:50

115 120 125 130 . . i35 140 145. . . 150 . . 160 170- '' ,190 200 203 '205 . 2 10 220

28.58 28.86 28.91 28.95 28.97 29.00 29.03 29.05 29.07 29.19 29.23 29.27 36.33 36.56 36.80 36.98

13.99 14.27

. 14.32 14.36

.' 14.38 . ' . . . '14.41 ,

. 14.44 ' , 14.46 '.

'.. . . 14.48 . . . ' ' 14i60 , '

14.'64 . 14.68, 23.74

' 2.3.97. . 24.21

' . 24.39 02 : 00 2 30 . ' 37.00 24'. 41

2 40 37.02 24.43 , 02:lO 02:20 , 250 36.93 24.34

260' . '37. ii 24.52

. . . .

. 't , . . .02:30 . . . .

/-

I. ..

21.55 21-57. ' 21.60 21.63 21.65 . 2 1.. 66 21.'67' 21.72"

. . .

z i , 76 .' 2i.80 21.83 21.86 , 2i.gi . '

22% . 21.99

22.17 22.24 22.27 22.27

. i

1.55 1.57 1.60 1.63 1.65 1.66 1.67 1.72 1.76 1.80 1.83 1.86 1.91 1.99 2.12 2.17 2.24 2.27 2.27

- . Increase rate . .

39.5 ' 1304

.-

PUMP TEST WELL NO. 10 RUTLAND WATERWORKS DISTRICT - May 1979 (cont inued)

. . . . 16" Pumped 'We1 1 . Obs. Well

. ' . TIME .. MINS S'INCE .DEPTH TO DRAW- . . DEPTH TO . D RAW - OR1 F I CE . . PUMP I NGI- . . START WATER( f t ) , DOWN( ft) WATER(ft1 DOWN(ft) PRESSURE(in) RATE REMARKS

(usgpm) , . . . .

.22:26 . . . 16 . " ,24.4$ , . . 11.86 . ' 20163 :. . " 0 .63- . . , .

. .

. . . .

. .. ._ ' :- . ' 22:28 24.49 . ' 11.90 . 20.71 '0.71 ' . 18

22 : 35 25. . 24.66.. 12.07 20.82 . 0.82

. . . . .

. . 20175 . . ' 0'.75' . .

. . . 22: 30 20. 24.53 11.94 . '

. . . . . _ 0.90 . ,

. . . 22:40 . . . 30 . . 24.69 i2.10 . . ,zo.gO,

. ' . 22:45 ' 35 ,24.75 i z ? i 6 . . . 20.96. 0.96 22 : 50 40 24.81 12.22 21.02 1.02 22:55 23:oo 23:05 23:lO

. ' 23:20 (.'.; :..

1. *- ':,..!. . 23 : 30

. .

. .

'."

23:40. ' 23:50 23::53

. .

' . 23:54 23:55 00 : 00

. :45 50 55 60 70 80 90 100 10 3 104 105 110

24,80 12.21 ' 24.88 12.29 24.94 12.35 24.98 12.39 25.04 12.45

25.02 12.43 25.06 12.47 27.09 12.50 27.15 12.56 27.15 12.56 28.45 13.86

21.05 21.10

21.16 21.21 21.29 21.31 21.35 21.39 21.39 21.39 21.44

1.05 1.10

1.16 1.21 1.29

1.31 1.35 ' 1.39 1.39 1.39

:1.44

20

Increase rate ' 4 3 3 '

..

Puw TEST 'WELL 'NO. io 'RUTLAND WATERWORKS DISTRICT

. . May 1979 . .

. . . .

. . . ( , .j

NO. 3 4 0 R - L 3 1 0 . DIETZOEN GRAPH PAPER , . . SEMI-LOGARITHMIC

-' 3 CYCLES X 1 0 DIVISIONS PER INCH

01 ETZQ EN C 0 RPORATIO N M A O L IN U...A.

NO. 3 4 0 R - 1 3 1 0 DIETZOEN GRAPH PAPER SEMI-LOGARITHM,IC . '

3 CYCLES x 10 DI,VISIONS PER I N C H I ' .u . ,;

Dl ETZQ EN C 0 R PO R A T I O N Y A D L IN, U . S . A . '

. .

. .

NO. 3 4 0 R - L 3 1 0 DIETZGEN GRAPH PAPER SEM I-LOGARITHM I C

3 CYCLES X 1 0 DIVISIONS PER INCH

. D I ETZ Q EN c o R P o RATI o N H A D E IN U . 8 . A .

. .