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<br />tiN I I LlJ U I A IlU
<br />DEPARTMENT OF
<br />AGRICULTURE
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<br />UUIL
<br />CONSERVATION
<br />SERVICE
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<br />^I~L^ Ul I III
<br />1l:i90 12TH STREET
<br />ALAMOSA, CO 81101
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<br />,---,- EXHIBIT 13
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<br />Subject: ENG-Trip Report - North San Luis Drain Date: June 15, 100!
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<br />no:
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<br />Gustavo Gorne=, DC, SCS, Sari Luis, eel
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<br />F i 1 e Cod e: ;: 1 () - 1 .1
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<br />PUf<POSE:
<br />T h i r:', t t" i~, '" e ~, ,) r- tis t ':' p t- ':. Y ide y Co U ~.J i t h t h (> f i r, oj i n 3 s ':' f t h (>
<br />,jr-airlage investigati':'n conducted dut-irl3 Ap~i I, May arid JlJrle (If
<br />L",' 7, The i r, v est I 3 a t i (. r, s t u oj i e oj the ~, " t e r tab I e I c. cat e .j i n t I. 0
<br />1"I':'r"theast ~Iat-t of San Luis.
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<br />FINDINGS:
<br />Tt,e irlvestlgatie,o was a t"esult of our meeting with a 3'"OUP (,f
<br />t,':'rne(lwnet"s in your' office on Septernbet" 4, 198~,. The 1-,I)rne(lwr,et"s
<br />3,",:,uf' wet'e coocer-r,ed with a high watet- table prot1lem :irC'lJr,d tt,eir"
<br />t,ornes. Homes with tlasements have pt"oblems with water irl the
<br />t,asernerlts. T~lls investigation was to help deterrnine ~~Ie SOUr"ce (,f
<br />the water and to help provide possible solutions to the problem,
<br />
<br />The so i Is invest i gat j on and the watE~t- tab lei nvest j 8aj~ i on h':ll E'S
<br />wet-a c(lrn~11 eted on Apt- i 17th and 8th of 1987. Wh i Ie l,.,la.ter wa.s f'-:OGn,.:
<br />if I sOlne of the helles at ~hat tIme, it was not possibll~ to ma~~e arlY
<br />c ':' fl C ] us i I) n s as t (l the sou t" ceo f the I,.J ate r . The so i I I (1:3 did
<br />~'r-(Ivide some infor"mation on t~le cause of the watet" tal)le. T~le s,~i I
<br />i rl v est i 3 a t i (I n ide n t i fie d the ex i s ten C €I r) f 0 Ide h an rr e Iso f the R i t c,
<br />S C' C I:' . The S e (I Ide h ann e I s con t a I n C (l U r' S e 5 and 5 t hat C Q IJ I rj a I j ':' w f (, r.
<br />ltle r-apid transmission (If w~ter In some areas.
<br />
<br />C:tlec~~in8 of ttle water- table in the rloles on May 11, 1~~87 n0te,j ,)rlly
<br />rrlirt(tt" ctlanSC5 from the watet" table ~.eadinss '"eCClr,je,j ilt ttle time (.f
<br />ttle initial investigation. Wa.tet" WEt,S flowin:3 in the F~it(, See/) a'::
<br />ttle tlrne, but ir"t"jgation had not yet tregurl.
<br />
<br />Ttle water tables were again rneasur-ed orl Jllne 11, 1'?87. At t~lis
<br />time ttle hay field to the nor"th of the area was bein3 iFFi3ated.
<br />Al I l:tf the tl(rles had water". The hole located along ttle n(lttler"rl
<br />b (, u rl d a r" Y I) f t l""l e tow n and A I f I) n Z 0 S t f' e e 1; had 1.0,1 a. t era t the 5 h a. [ I C, '..,! est;
<br />d(>~lth. This is also the point that it.r'igation water- E'nters int.:
<br />ttle tl)Wn system. The town systern is used for lawn and ga.~derl
<br />watet"ing. The other holes along ttre north had water a.t
<br />a~I~'t-oxjrnately tl""le sarne elevation. 1tle water table tlad jncrease'~
<br />a~'~lt-o}:imately 0.5 ft. in the holes along Seventh Street.
<br />
<br />^ water contoUt" map was developed fot" the water tabl~. This
<br />C (I n t 0 U /" rn a ~t i rl die ate s t hat. w ate r i 5 en t e t'" i n 3 the a. r e Cl. f' r. (, rn the
<br />rlot"th. The Rito Seco app~at'"s to have only mInor a effect on ttle
<br />watet'table,
<br />
<br />Tho probable sOUrce of water charging the water table is from
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<br />i~r-i9ation SOUt'ces. The Rite Seea probably has some minor effects,
<br />but does not appear the caUl. of th~ exce51vely high water table In
<br />ttle at"ea. The 5ou~ce appear"s to be i~ri9ation water from the San
<br />Luis tC1wn 1rrlsation system and lr"risation water from the ~Iay field
<br />t.) the r.r..t'th.
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