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(1)

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"f-WATER LEVEL

MEASUREM~TS

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IN

OBSERVATION HOLES

t-EASTMENT KODAK PROPERTY ~

WINDSOR, COLCRADO ,- I

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FEBRUARY 12, 1969 ~ •.

Data taken by John Mclane and Henry Bask!.

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EQUIPMENT AND SUPPLIES USED: The water or mud levels were checked with the

M-Scope after the 1± inch plastic pipes were cleaned with an l& inch earth auger; Wood lathe with red ribbon was used to remark the locations, as the previous lathes were in most cases broken. 1± inch plastic caps were used cover the plastic pipes so that they would not get filled with dirt. Inside the caps embossed tape with the hole number was placed.

WATER LEVEL TRENDS: 46 hole locations were checked. Of these, 33 water levels were obtained, 10 holes could not be found, and 3 could not be measured. The hole numbers and locations were taken from Chen's No. 2

report.

The last time water levels were measured was on August 30, 1968, these measurements were taken by Chen & Associates and al 1 water levels are measured

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below ground~ Ob-s-ervat-i-en flol~Ynear the Cache la Poudre River were on

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- -- the order of 1 to 1

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feet 1 ower in February than in August

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(n the irrigated field away from the river, ground water levels have d: fped on the order of

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2 to 4 feet. A few holes did have water level& dro~ 5 feet. Of all the holes

checked the water levels were 5 feet and deeper below ground level, rangll:ng up to 12 feet below ground level. There were only about

3

holes that had water levels less than

5

feet.

(2)

2 lowered after the irrigation season has ended. It is anticipated that the

ground water levels will continue to lower ~ntll the spring rains and irrigation

season starts again. I would recommend that the water levels be checked again once or twice before the irrigation season is started. This will give an

indication of the maximum water table change in a year due to irrigating. I would also recommend that the person in charge of the farming operation be notified so that all field hands would avoid the observation hole locations In the various farming operations, so that the locations and holes are not destroyed or covered up. It may be necessary to use steel fence posts to mark each location, as the wood lathe are easily broken by animals and equip-ment.

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CONSOLIDATED

c

~r DITCH: On this field trip the ditch was observed

to be flowing water, but no measurement of the flow was taken. Perhaps an accurate check of this flow may be helpful in future water supply and use on a year 'round basis.

(3)

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(7)

Hr. Hugh Burns, Attorney at Law

Dawson, Nagel, Sherman .and Howard

First National Bank Building

Denver, Colorado 80202

Dear Hugh:

Attached are seven chemical analyses of water in the Windsor

area which were collected by our office on September 19 while we

were up there on other business.

We believe

t~at

such analyses will be extremely useful as

basic data In regard to future water planning because quality

will most .certainly play an

lmporta~t

part.

P\ease note that the water from Windsor Reservoir and

the Larimer and Weld Canal is quite good whil'e the others are

more representative of return flow.

Thes~

tests can be compared and used with the qual tty

informa-tion contained in our water right evaluainforma-tion report. We could

continue collecting such tests once a month or so in the future

if you think It desirable. In general we would not make special

trips for this p•Jrpose but combine the collectlon with other work

in the Fort Collins area.

Very truly yours

By

{111J

(8)

RECELVED

SEP

4 '~

chen and associates, inc.

SOIL & FOUNDATION ENGINEERING

CONSULTING ENGINEERS

2600 WEST 2ND AVENUE, SUITE 7 • DENVER, COLORADO 80219 303

I

935-4691

Wright-McLaughlin Engineers 1240 West Bayaud Avenue Denver, Colorado

Gentlemen:

September 3, 1968 Subject: Water table measurement at the

site of the proposed Eastman-Kodak Complex - Windsor, Colorado

Job No. 3290

Attached please find 2 copies of our water table measurements at the subject site.

FHC/bj c

Enclosures (2)

Very truly yours, CHEN AND ASSOCIATES

By

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