Divsion 3 Diversion Structure Inventory Alamosa River

• Contract/PO #: C154045
• Contractor Name: Olsson Associates
• Contract Type: Grant
• Loan Projects - Doc Type: Report

I f~ l"~~,~ OLSSO N

ASSOCIATES
143 Union Blvd. Suite 700 Lakewood, CO 80228 720-962-6072

AL.AM~O.S~A RJVER
DIV'E,RSIO,N STRU.CTU.RE INVENTO,RY'

Structure Name: Norland Ditch

Reported By: Jason Mead

Date:

5/17/06

Time:

10:00 a.m.

Directions:

From Capulin, head west on State Route 15, go approximately 2 miles and turn
north on S.R. 15, go north approximately 1 mile and turn east on County Road Y,
go approximately 3/4 of a mile and turn south into a farm, keep heading south to
the headgate.
Latitude
N37017'31.5"

Longitude
W106008'03.0"

Section
NE1/4 S7

Township
T35N

Range
R8E

Location:

Type:

Manually operated 5' wide steel slide gate

Good ~ No D Reason Submerged:
Condition: Fair D Submerged: IV! High River Flow
Poor DYes LC:,J

Repair(s) Needed: None. The structure is in good condition and looks fairly new, but according to
the water commissioner steel structures do not last long on this river because of the acidity. It may
be necessary to eventually replace this structure with a concrete structure that is more resistant to
the acidity of the river.

Upstream Configuration: There is a "U"-shaped boulder diversion dam that diverts flow along the
river to the headgate, which sits along the north bank of the river.

Comments: The river in this area was previously straightened out, but because of erosion problems
the meander has been reintroduced with shoreline stabilization. The downstream flow measurement
device is a 4' wide Parshall flume.

Estimated Range of Cost: N/A

F :\Projects \20060507\Documents \Reports \Alamosa \1 nventory Forms \Norland Ditch .doc

OA No. 2-2006-0507