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Weld County, Colorado: records in the National Inventory of Dams

Weld County, Colorado had 129 records in the inventory, 16 of them high hazard, as of October 30, 2026, according to the National Inventory of Dams.

The NID prints the county as Weld. A count is of records, which include the separate structures recorded with a dam.

Weld County, Colorado, October 2026

16
High-hazard records
October 2026
7th of 63 counties the NID names in Colorado; 12.4% of the county’s 129 records. A hazard class is not a risk.
16
High hazard, condition published
October 2026
0 rated Poor or Unsatisfactory.
0
High hazard, condition not published
October 2026
0 not provided to the NID, 0 with no condition assessment in its file.

Records by hazard class

1 more column on a wider screen

The 129 records the NID places in Weld County, Colorado, by the hazard class the responsible agency assigned, October 2026. A class is the consequence of a failure, not its likelihood.
Hazard classRecords
High16
Significant17
Low96
Undetermined0

Every record in Weld County

High hazard first, then by Federal ID. Each opens the record’s own page, with every field the NID publishes for it. Names are the NID’s, as printed.

2 more columns on a wider screen

The 129 records the National Inventory of Dams lists in Weld County, Colorado, with the hazard class and the condition assessment of each, as of October 30, 2026
Federal IDDam nameHazard class
CO00009Empire (Outlet Embankment)High
CO00012Horse CreekHigh
CO00112RiversideHigh
CO00853WindsorHigh
CO00854Windsor LakeHigh
CO01157Black HollowHigh
CO01772JohnstownHigh
CO01899Milton LakeHigh
CO01984WildhorseHigh
CO02666Bull Canal (Main Reservoir)High
CO02840Empire (Nw Embankment)High
CO02841Empire (Mcintyre Dike)High
CO02874EricksonHigh
CO02989Hunters Overlook ReservoirHigh
CO03032MundtHigh
CO03046Fort Lupton TerminalHigh
CO00090Coal Ridge Waste Dam #1Significant
CO00095Lower LathamSignificant
CO00137Greeley Lake WestSignificant
CO00168Akers & TarrSignificant
CO00220FrederickSignificant
CO00856Woods LakeSignificant
CO01106ProspectSignificant
CO01154Angel LakeSignificant
CO01175Loup LakeSignificant
CO01191Little ThompsonSignificant
CO01203ClennonSignificant
CO01210Highland #1Significant
CO01212Highland #3Significant
CO01218New ThomasSignificant
CO01219UnionSignificant
CO01866Eaton - LawSignificant
CO02925Cornish Plains ReservoirSignificant
CO00013Harry Denning Irrigation #3Low
CO00014Ireland #5Low
CO00054D.A. Lord #4Low
CO00063Seven Reverse Y #1Low
CO00067Eagle RockLow
CO00086Klingenberg Flood Control #1Low
CO00115Sloan #1Low
CO00128Coal Bank Watershed Cb-1Low
CO00181MeadLow
CO00383PerryLow
CO00734ArrowheadLow
CO00847Seeley LakeLow
CO00859Little GemLow
CO01101DoverLow
CO01102Giffin #1 (Lower)Low
CO01103Giffin #2 (Upper)Low
CO01104Ireland #1Low
CO01118German #8 and 9Low
CO01119German #12Low
CO01129Munger #1Low
CO01130Munger #2Low
CO01131North StarLow
CO01136H.A. SmithLow
CO01138SullivanLow
CO01141TwombleyLow
CO01172Law, JohnLow
CO01182De FranceLow
CO01185HummelLow
CO01186KoenigLow
CO01189Adams & Bunker #3Low
CO01193RockwellLow
CO01198BassLow
CO01199BaxterLow
CO01208HartfordLow
CO01213Ide and Starbird #1Low
CO01217B.L. SwiftLow
CO01223Ide and Starbird #2Low
CO01225Myron IsabelLow
CO01227LoganLow
CO01230MckayLow
CO01232MiantenomaLow
CO01233MinnieLow
CO01234MoellerLow
CO01235MulliganLow
CO01237ParmaleeLow
CO01238SanbornLow
CO01724Banner Lake #3Low
CO01729Banner Lake #1Low
CO01730Banner Lake #5Low
CO01736HighlandLow
CO01760Oklahoma LakeLow
CO01761Adams & Bunker #1Low
CO01762Adams & Bunker #2Low
CO01763HeartLow
CO01774HoltLow
CO01776Marshall #2Low
CO01842John KellerLow
CO01862Lindies LakeLow
CO01863CozzensLow
CO01889BehrensLow
CO01892ThompsonLow
CO01993ShawLow
CO02027Wykert #1Low
CO02028Wykert #2Low
CO02029Wykert #4Low
CO02037Lake Canal #1Low
CO02062CarlinLow
CO02063Fulton WasteLow
CO02087OldsLow
CO02145Mose Davis #2Low
CO02207Lost Creek #1Low
CO02249DiamondLow
CO02251Leemans LakeLow
CO02265Briscoe LakeLow
CO02278Banner Lake #8Low
CO02298HillLow
CO02299AntelopeLow
CO02300DeckerLow
CO02328Howards LakeLow
CO02339RehmerLow
CO02343Stybr #2Low
CO02354Neff LakeLow
CO02362Charles Wilson Detention Dam #1Low
CO02370Lakeview Village Ski DamLow
CO02711BoomerangLow
CO02740Lundvall Dam #2Low
CO02743Lundvall Dam #5Low
CO02830Coal Ridge Waste Dam #2Low
CO02833Bull Canal Lagoon Cell 3 EastLow
CO02895Beebe Draw Gun Club Lake #1Low
CO02907Bull Canal Lagoon Cell 3 WestLow
CO02995Middle PondLow
CO02997New Cache Agricultural PondLow
CO0302270 RanchLow
CO03037Banner Lake #11Low
CO03042Cwp North PondLow

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Sources

Compiled automatically from National Inventory of Dams — national CSV by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved