BOARD01301

• Board Meeting Date: 9/13/1994
• Description: Agenda, Minutes, Memos
• Board Meetings - Doc Type: Meeting

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eeHlflaet. The sigaifieant Regati.;e e[feet analysis }3rahiBits tlle Beard [rem aSE).uiring eonditi0Bal \
rights if the lleqllisitieH wellle eaa5e a sigHifieaHt Hegati'.e effeet ts eltistiHg a6sehfte ',vater rigbts,
existiHg eRehllftges er eeHaitieHIlI water rights for vffiieh flleilities hlY.e beeH eeHstmetee er whieh .
are sllbstantilllly llllder eSHStfl!etieH. "Sllbst!llltially llI1eer eeHstrlletieH" i5 Il term that will Be defiflea
eft a ease BY ease basis after eeRsiaeriag faelers sHen as ..vaether finaReing and permits ka...e been
eBHiiHea, whether eeHstrlletieH hIlS begllH Ma the pereentage ef eeffipletieH Elf the prejeet. ViheH
aeteFffiifliflg .,-"hether the aeqai5itieH sf a eElHditil:lHll1 'Nlller rigbt ',yill hlY.e a sigHifiellHt Hegative
effeet, the Beara may eeHsiaer !lilY pfElpssealimitlltiefls eH the eperatieH sf the right ts be aeqaired.
Tv.-e ef the )38ssiale sigaift6ant aegative effests are E1eHiileEi ia Seeliaa 7.29. IH these ea5es,
sigaif:ieant ftegati.le effeets ..\'6\:116 eesar if aequisitioR sf a eeRaitieaal .Hater right v/ould reause the
yielasr iflerellSe the eest sf the yielEl efa water right er iaterest iaeatifiea iH SeetisH5 7.l9(a) (e).
The water iaterests iEieatiftea ia Seetiea 7.l9(Ei) ',vill Be evalaatea for eaamet with tHe Jlfeposea
acquisitien bat tRe Beare. may aSEluire a eeRElitieaal ,vater right that kas a signifieant negati...e effeet
eH these interests if that sigHifieant Hegati'.e effeet is elHweighea by the beaefit ef lleqlliriHg the
esaaitieflal right for ISF pl!fJlsse5. The SeetisH 7,10(8) bal!llleiag ear.not evereeffie the prshibitieH
Ilgaiast aeqairiag eeaditieHal water rigbt5 that have a sigaifiellftt Hegatiye erreet SH the rights

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Section 8 - Inundation of ISF Rights

Inuodation of all or a portion of a Board ISF stream reach or lake may be an interference
with the Board's usufructuary rights which Were confirmed by the ISF decree. The term
"inuodation" as used in this section means the artificial impoundment of water within an instream
flow reach or natural lake. "lnuodation" does not refer to the use of a natural stream as a
conveyance channel as long as such use does not raise the waters of the stream above the ordinary
high water mark as defined in 9 37-87-102 (I)(e) C.R.S. (1990). Interference with an ISF right is
any non-consensual act which hampers the Board's ability to use its water right to preserve the
stream habitat or other natural environment for which the ISF right was originally appropriated. The
term "interference" as used in this section is the use of one person's property to damage another
person's property and includes the water law concept of injury.

The inuodation rules may not apply to small inundations because of the likelihood that the
small inuodations will not interfere with the pU1'Jlose of the Board's ISF right. Staff shall not be
required to file Statements of Opposition to these small inuodations but the staff may file a
Statement of Opposition if it determines that the ISF right or natural environment will be adversely
affected by the inuodation. In the event staff cannot determine from a review of the published
application whether the provisions of Section 8.01 apply, the staff may file a Statement of
Opposition to any application which proposes inuodation of an ISF right. Small inundations are
defined by Section 8.01 as those inuodations in which the impouodment is 100 acre feet or less, or
the surface acreage is 20 acres or less, or the dam height is 10 feet or less. To prevent situations
in which an applicant proposes numerous small inuodations, none of which exceed the definition of
small inuodations but the cumulative total would exceed the definition of small inundation, the
Board will accumulate all inuodations on a stream reach proposed by the applicant.

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