PERMFILE101196

• Permit No: M2001022
• IBM Index Class Name: Permit File
• Doc Date: 3/26/2001
• Doc Name: WELD CNTY REFERRAL
• Media Type: D
• Archive: No

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CROLSSANT AND GREEN PROPERTIES
WELD COUNTY, COLORADO
UTE LADIES'-TRESSES ORCHID SURVEY REPORT
(Spira-rthes diluvialir)
Prepared by Savage and Savage
July 2000
SUMMARY
Savage and Savage conducted a pedestrian survey for the presence of the federally listed
threatened Ute Ladies'-Tresses orchid (Spira»tlres diluvialis) within potential critical
habitat on the site. The survey was concluded on the Croissant and Green properties
located in Weld County, Colorado on July 21 and 24, 2000. The survey was conducted
for Banks and Gesso, LLC on behalf of Loveland Ready Mix Concrete. The survey was
conducted in accordance with U.S. Fish and Wildlife Survey guidelines and during the
period of anthesis of the type population of the orchid in neighboring Boulder County,
Colorado. No individuals of Spiranthes diluvialis were found during the survey.
INTRODUCTION
Banks and Gesso, LLC requested the survey as part of a development plan for Loveland
Ready ivfix Concrete for the Croissant and Green properties. As part of the development
plan Banks and Gesso, LLC requested identification and survey of any potentially critical
Ute ladies'-tresses orchid (Spiranthes diluvialis) habitat, if present.
The properties are located south and east of the junction of Weld County Roads 13 and
54. The Croissant property is bounded on the west by a fence line, on .the north by
County Read 54, on the east by the Big Thompson River and on the south by a fenceline
at the top of the secondary alluvial terrace above the Big Thompson River. The Green
property is bounded on the west by County Road 13, on the north by County Road 54, on
the east by the fence line with the Croissant property, and on the south by the property
fence and southeast by the Iiillsbom Ditch The properties are located wrthin the
W/.N1Cl of Section 30, Township 5 North, Range 67 West of the Sixth Prime Meridian
in Weld County, Colorado. The latitude and longitude of the center of the Croissant
property are 40°22'07" North and 104°56'00" West. 'Ihe latitude and longitude of the
center of the Green property are 40°22'07" North and 104°56'25" West.
The Ute Ladies'-Tresses orchid (Spiranthes diluvialis) is a federally listed, threatened
plant species known to occur in Colorado. Interim U.S. F'>sh and Wildlife Service survey
requirements (USFWS, 1992) for the orchid require surveys along the South Platte River
100-year floodplain and perennial tnbutaries and in potentially critical orohid habitat.
Characteristic orchid habitat requiring a sruvey includes sites below 6500 feet elevation
with seasonally high water tables, wet meadows, stream channels, floodplains,
jurisdictional wetlands, and areas where vegetation falls into the facultative wet or
obligate classification. Sites excluded from the survey t+egrrinement include upland sites