Attachment 1 Approximate Acreage Maps and Descriptions.pdf

ATTACHMENT 1

APPROXIMATE ACREAGE, MAPS, AND DESCRIPTIONS

AREA APPROXIMATE ACREAGE

Emergency Spillway - North 2.82

Emergency Spillway 5.25

Emergency Spillway - South 4.63

Admin Area 0.63

Maintenance Yard 1.91

North Wing Dam, Road Shoulders, and

Guardrail

8.75

Dam Entrance Area 0.62

South Wing Dam, Road Shoulders, and

Guardrail

22.54

South Dike, Road Shoulders, and Guardrail 42.02

South Drainage Ditch 4.63

Headworks 6.01

Ranger Station 0.41

Pump House 0.05

Juniper Day Use Area 0.71

Boat Ramp 4.47

Lagoons 4.95

Storage Area 2.33

Saddle Dam 4.06

Total Estimated Acreage: 116.79

Google Earth Overview of Conchas Dam Project

*NOTE: Longitude and latitude below are estimates only based upon directional movement on Google

Earth. Acreage totals may vary depending on water level.

Spraying Requirements and Prohibitions

Spray required 25 feet from the toes of the dam

Spray required 25 feet from the pavement edge or guardrail along paved roads

NO SPRAYING WITHIN 150 feet from the water’s edge

Key:

Guardrails

Roadways

Specified Areas

Emergency Spillway – North

Emergency Spillway North:

Beginning at approximately 35°25’21”N Latitude and 104°11’06” Longitude, along the roadway to

35°25’22”N 104°11’07”W, then along the upstream side of the emergency spillway to 35°25’16”N

104°11’18”W, turning east at the south end of the emergency spillway to 35°25’14”N 104°11’17”W, then traveling along the downstream side of the emergency spillway back to the starting location.

Approximately 2.82 acres. Spot treatment on the embankment, as needed, and treatment 25 feet from the toes of the embankment on both the upstream and downstream sides. NOTE: Spraying within 150 feet of the water’s edge is prohibited.

Emergency Spillway

Emergency Spillway:

Beginning at approximately 35°25’15”N 104°11’17”W, on the south end of the emergency spillway downstream to 35°24’47”N 104°11’29”W to south end of spillway, then northwesterly to 35°24’47”N

104°11’30”W to the upstream side of the spillway, then northeasterly along the upstream side of the spillway to 35°25’15”N 104°11’18”W, then southeasterly to the point of beginning.

Approximately 5.25 acres. Treatment 25 feet from the toes of the embankment on both the upstream and downstream sides. NOTE: Spraying within 150 feet of the water’s edge is prohibited.

Emergency Spillway – South

Emergency Spillway – South:

Beginning at a point at 35°24’45N 104°11’30”W, on the north end of the downstream side of the emergency spillway – south, northerly then westerly then southeasterly around the riprap along to

35°24’46”N 104°11’31”W, then southeasterly along the upstream side of the emergency spillway in a southerly direction to 35°24’33”N 104°11’35”W to the roadway, then easterly to 35°24’33”N

104°11’34”W, then northerly, along the downstream side of the embankment to 35°24’47”N

104°11’28”W, then westerly to the point of beginning.

Approximately 4.63 acres. Spot treatment on the embankment, as needed, and treatment 25 feet from the toes of the embankment on both the upstream and downstream sides. NOTE: Spraying within 150 feet of the water’s edge is prohibited.

Administration Building and Maintenance Yard

Administration Building:

Beginning at a point northeast of the administration building at 35°24’27”N 104°11’32”W, then southeasterly along the back of the parking shelter to 35°24’26”N 104°11’31”W, then westerly to

35°24’26”N 104°11’29”W to the southeast corner of the building, then northerly to 35°24’27”N

104°11’29”W to the front of the administration building, then northwesterly to 35°24’28”N

104°11’30”W to the parking area, then southwesterly to the point of beginning.

Approximately 0.63 acres. Treatment area to include 10 feet from the walls of the administration building and parking shelter.

Maintenance Yard:

Beginning at a point at the north corner of the solar array area at approximately 35°24’30”N

104°11’33”W, then southwesterly along the fence line to 35°24’30”N 104°11’35”W, then southerly to the fence line at 35°24’29”N 104°11’35”W, then southwesterly along the fence line to 35°24’29”N

104°11’37”W, the southerly along the fence line to 35°24’27”N 104°11’37”W, then northeasterly along the fence line to 35°24’28”N 104°11’32”W, then northerly to the point of beginning.

Approximately 1.91 acres. Treatment area to include 10 feet from the fence line.

North Wing Dam, Road Shoulders, and Guardrail

Beginning on the north end of the North Wing Dam at a point at approximately 35°24’24”N

104°11’29”W, then in a southerly direction along the bottom of the embankment to 34°24’14”N

104°11’27”W to the location where the upstream embankment meets the roadway, across the roadway, continuing in a southerly direction on the embankment to 35°24’11”N 104°11’25”W to the stilling basin edge, and continuing easterly to 35°24’12”N 104°11’23”W, then northerly along the edge of the embankment to 35°24’24”N 104°11’28”, then across the paved road to the point of beginning.

Approximately 8.75 acres to include an estimated 1,132 feet of guardrail. Spot treatment on the embankment, as needed, and treatment of 5 foot on the downstream toes of the embankment. On the upstream side of the embankment, spot treatment in areas more than 150 feet from water’s edge.

Dam Entrance Area

Beginning at a point at 35°24’07”N 104°11’22W on the lower dam road, in a northerly direction down the riprap to the stilling basin edge at 35°24’08”N 104°11’22”W, west to the dam at 35°24’08”N

104°11’24”, southerly along the dam to 35°24’06”N 104°11’23”W, and then easterly to the point of beginning.

Approximately 0.62 acres. Spraying along the roadway and spot treatment along the embankments.

South Wing Dam, Roadway Shoulders, and Guardrail

Beginning at a point on the south end of the bridge of the dam at approximately 35°24’05”N

104°11’24”W, then southwesterly to the bottom of the embankment on the upstream side to

35°24’04”N 104°11’25”, then in a southeasterly direction along the riprap to 35°23’41”N 104°10’48”W, then northeasterly across the paved road to the bottom of the embankment on the downstream side to

35°23’41”N 104°10’47”W, then northwesterly along the embankment to 35°23’59”N 104°11’14”W, then southeasterly to 35°23’58”N 104°11’11”W, then northeasterly across the paved road to the toes of the embankment to 35°23’59”N 104°11’11”W, then northwesterly followed by northeasterly, along the toes of the embankment to 35°24’05”N 104°11’19”W, northwesterly across the parking lot to 35°24’04”N

104°11’19”W, traveling southwesterly then northwesterly along the toes of the embankment to

35°24’06”N 104°11’23”W, then westerly to the roadway edge and top of the embankment to 35°24’05”N

104°11’19”W, across the paved parking lot to 35°24’06”N 104°11’20”W, then southwesterly to

35°24’05”N 104°11’23”W, southwesterly across the roadway to the beginning point.

Approximately 22.54 acres to include an estimated 4,000 feet of guardrail on the upper road (top of the embankment) and 3,800 feet of paved road (NM Hwy 433). Spot treatment on the embankment, as needed, and treatment of 25 foot on the downstream toes of the embankment and along the paved road. On the upstream side of the embankment, spot treatment in areas more than 150 feet from water’s edge.

South Dike, Road Shoulders, and Guardrail

Beginning at a point at the paved crossover at 35°23’41”N 104°10’46”W, then southwesterly along the paved roadway to 35°23’40”N 104°10’48”W, southeasterly along the toes of the embankment to

35°22’53”N 104°11’05”W to the road leading to the headworks intake, westerly along the road to the intake at 35°22’54”N 104°11’08”W, then southwesterly to the southern edge of the intake at 35°22’53”N

104°11’08”W, then easterly along the roadway to the toes of the embankment at 35°22’53”N

104°11’05”W, then southerly along the toes of the embankment to 35°22’39”N 104°11’01”W, then easterly across the paved upper road to the bottom of the toes of the embankment, then northerly along the toes of the embankment to the point of beginning.

Approximately 42.02 acres to include an estimated 6,660 feet of guardrail on the upper road (top of the embankment) and 6,610 feet of paved road (NM Hwy 433). Spot treatment on the embankment, as needed, and treatment of 25 foot on the downstream toes of the embankment and along the paved road. On the upstream side of the embankment, spot treatment in areas more than 150 feet from water’s edge.

South Drainage Ditch

Beginning at a point at the toe of the south dike embankment at 35°23’19”N 104°10’58”W, then southwesterly across the drainage ditch to 35°23’17”N 104°10’58”W, then southeasterly along the drainage ditch to the east side of the dirt road at 35°23’12”N 104°10’41”W, then northerly along the dirt road to 35°23’13”N 104°10’41”W, then northwesterly to the point of beginning.

Approximately 4.63 acres to include treatment of 25 foot on each side of the drainage ditch.

HEADWORKS

Beginning at a point on the north side of the headworks near the outlet at 35°22’51”N 104°10’59”W, then easterly along the dirt road to the edge of the irrigation ditch at 35°22’51”N 104°10’54”W, then northwesterly to the toe of the embankment at 35°22’52”N 104°10’55”W, then easterly along the toe of the embankment and up the embankment to 35°22’53”N 104°11’01”W, then along the western edge and along the paved roadway to 35°22’49”N 104°11’01”W, then southeasterly down the embankment and along the toe of the embankment to 35°22’48”N 104°10’55”W, then northerly along the toe of the embankment and across the dirt road to the edge of the irrigation ditch at 35°22’50”N 104°10’54”W, then along the north side of the dirt road to the outlet at 35°22’50”N 104°10’59”W, then northerly to the point of beginning.

Approximately 6.01 acres, including 0.06 acres around the two gates on the roads to the Headworks. If the irrigation ditch is running, no spraying is permitted within 150 feet of the water’s edge.

Ranger Station and Pump House

Ranger Station:

Beginning at a point south of the Ranger Station at the start of the driveway at 35°22’41”N 104°11’43”W, then north along the roadway to the north end of the driveway at 35°22’43”N 104°11’43”W, then east across the driveway to 35°22’43”N 104°11’42”W, then southeasterly following the driveway around the back of the ranger station to 35°22’42”N 104°11’41”W, then southerly to 35°22’42”N 104°11’42”W, then westerly following the driveway to the point of beginning.

Approximately 0.41 acres.

Pump House:

Beginning at a point on the northwest corner of the fenced area at 35°22’41”N 104°11’42”W, then southeasterly to the northeast corner of the fenced area at 35°22’41”N 104°11’41”W, then southerly to the southeast corner of the fenced area, then northwesterly to the southwest corner of the fenced area at 35°22’41”N 104°11’42”W, then northerly to the point of beginning.

Approximately 0.05 acres to include 10 feet surrounding the fence line.

Juniper Day Use Area

Beginning at a point on the northwest corner at 35°22’52”N 104°11’55”W, then southeast to 35°22’52”N

104°11’54”W, then southwesterly along the paved area across the driveway to 35°22’51”N 104°11’55”W, then around the picnic table area in a southeasterly direction to the pathway, then easterly along the pathway to 35°22’51”N 104°11’54”W, then northerly along the pathway to the paved driveway, easterly across the pathway along the paved road, then southerly around the picnic table area, then westerly on the south side of the pathway to the paved parking area at 35°22’51”N 104°11’56”W, then southwesterly along the paved parking area to 35°22’50”N 104°11’56”W, then southeasterly around the vault toilet, then southwesterly to 35°22’49”N 104°11’56”W, then northwesterly around the picnic table area to

35°22’50”N 104°11’57”W, then across the driveway and parking area to 35°22’49”N 104°11’57”W, northwesterly around the picnic table area to 35°22’49”N 104°11’58”W, then northeasterly to the point of beginning.

Approximately 0.71 acres, including areas around the two gates located at the driveway entrances. On the northwest side of the parking area, treatment must be more than 150 feet from water’s edge.

Boat Ramp

Beginning at a point on the southeast side of the parking lot at 35°22’51”N 104°11’47”W, then northwesterly to 35°22’53”N 104°11’52”W, then northeasterly along the rocks at the edge of the parking area to 35°22’57”N 104°11’47”W, then southeasterly along the rock edge to 35°22’55”N 104°11’43”W, then southwesterly along the edge of the parking area to 35°22’51”N 104°11’49”W, then across the paved driveway to the point of beginning.

Approximately 4.47 acres including the paved parking area. Treatment must be more than 150 feet from water’s edge.

Lagoons

Beginning at a point on the northeast corner at 35°22’30”N 104°11’15”W, then southeasterly along the fence line to 35°22’26”N 104°11’13”W, then southwesterly along the fence line to 35°22’24”N

104°11’19”W, then northwesterly along the fence line to 35°22’28”N 104°11’21”W, then northeasterly along the fence line to the point of beginning.

Approximately 4.95 acres to include an area 25 feet along the exterior of the fence line.

Storage Area

Beginning at a point on the northeast corner at 35°22’31”N 104°11’06”W, then southwesterly along the fence line to 35°22’30”N 104°11’11”W, then southeasterly along the fence line to 35°22’27”N

104°11’10”W, then northeasterly along the fence line to 35°22’27”N 104°11’06”W, then northerly along the fence line to the point of beginning.

Approximately 2.33 acres to include an area 25 feet along the exterior of the fence line.

Saddle Dam

Beginning at a point on the northeast corner at 35°21’33”N 104°12’48”W, then westerly along the toe of the embankment to 35°21’33”N 104°12’49”W, then southerly along the toe of the embankment to

35°21’18”N 104°12’53”W, then easterly along the toe of the embankment to 35°21’18”N 104°12’52”W, then northerly along the toe of the embankment to the point of beginning.

Approximately 4.06 acres to include an area 25 feet from the toe of the embankment.