Late afternoon sun over Slim Lake, scattering a bright path across wind-textured water

Albany County Lake Quality

Wyoming, 67 lakes, average grade B (Good)

Albany County has 67 monitored lakes, enough that within-county variation matters as much as the county average. Some are deep glacial basins, others are shallow agricultural-watershed waters, and the measurements reflect that mix. 4 of those lakes carry an A–F grade. The county-level summary describes that subset, not every water body listed. With an average grade of B, Albany County sits comfortably above the Wyoming median.

Most of the county's monitored lakes are shallow — under 50 feet — which means wind keeps the water column mixed all summer and sediment-bound phosphorus releases back into the surface layer whenever the bottom is disturbed. Lake Owen (B) is the cleanest in the county.

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Quick Answers for Albany County

Cleanest lakes in Albany County →Safest swimming lakes in Wyoming →

Planning a trip? Check special fishing regulations for Lake Owen — or check the official Wyoming fishing regulations.

All Lakes in Albany County

67 lakes · 4 graded, 63 not rated4 graded lakes · 63 not rated, hidden

Include not-rated lakes (63)

#	Lake	Grade	Clarity	Phosphorus	Algae	Trophic	Access
1	BLake OwenAlbany	B	8.1 ft	10 µg/L	No recent samples	No recent samples	✓ Public
2	BRob Roy ReservoirAlbany	B	11.2 ft	10 µg/L	No recent samples	No recent samples	✓ Public
3	BLake HattieAlbany	B	8.4 ft	10 µg/L	No recent samples	No recent samples	✓ Public
4	BBell ReservoirAlbany	B	10.3 ft	10 µg/L	No recent samples	No recent samples	Not recorded
	NRSodergreen LakeAlbany	NR	No recent samples	20 µg/L	No recent samples	No recent samples	Not recorded
	NRSevenmile LakeAlbany	NR	No recent samples	20 µg/L	No recent samples	No recent samples	Not recorded
	NRWheatland Reservoir LpdAlbany	NR	No recent samples	80 µg/L	No recent samples	No recent samples	✓ Public
	NRCampbell LakeAlbany	NR	No recent samples	55 µg/L	No recent samples	No recent samples	Not recorded
	NRTwin Butte ReservoirAlbany	NR	No recent samples	65 µg/L	No recent samples	No recent samples	✓ Public
	NRAlsop LakeAlbany	NR	No recent samples	50 µg/L	No recent samples	No recent samples	✓ Public
	NRWheatland Reservoir RtpdAlbany	NR	No recent samples	125 µg/L	No recent samples	No recent samples	Not recorded
	NRPhillips LakeAlbany	NR	No recent samples	20 µg/L	No recent samples	No recent samples	Not recorded
	NRGelatt LakeAlbany	NR	No recent samples	30 µg/L	No recent samples	No recent samples	Not recorded
	NRPilger Lake DAlbany	NR	No recent samples	60 µg/L	No recent samples	No recent samples	Not recorded
	NRSoda Lake DAlbany	NR	No recent samples	60 µg/L	No recent samples	No recent samples	Not recorded
	NROsterman Lake DAlbany	NR	No recent samples	20 µg/L	No recent samples	No recent samples	Not recorded
	NRWest Carroll Lake DAlbany	NR	No recent samples	60 µg/L	No recent samples	No recent samples	Not recorded
	NRMortenson Lake DAlbany	NR	No recent samples	20 µg/L	No recent samples	No recent samples	Not recorded
	NRLeazenby Lake DAlbany	NR	No recent samples	20 µg/L	No recent samples	No recent samples	Not recorded
	NRFoote Creek Lake DAlbany	NR	No recent samples	40 µg/L	No recent samples	No recent samples	Not recorded
	NRMeeboer Lake DAlbany	NR	No recent samples	40 µg/L	No recent samples	No recent samples	✓ Public
	NRBig Charlie LakesAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRDry LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRSoda LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRSoldier Creek ReservoirAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRHutton LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRRush LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRCreighton LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRGibbs PondAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRTwelvemile LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRLake MildredAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRCaldwell LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRWest Carroll LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRBamforth LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRKnadler LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRHowell LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRSoap HolesAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRLittle Carroll LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRCarroll LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRWatt LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRCooper LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRDiamond LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRLong LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRWheatland Reservoir Number TwoAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRLake IoneAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRTwin LakesAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRMeiser LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRRainey LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRCavender ReservoirAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRDutton Creek ReservoirAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRKing Reservoir Number OneAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRLace ReservoirAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRReservoir LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRNorth Gap LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRSouth Gap LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRLookout LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRBrooklyn LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRJames LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRWebb LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRRex LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRLake HattieAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRSteamboat LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRDowney LakesAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRRice ReservoirAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRLone Tree ReservoirAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRSportsman LakeAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	NRWillow Creek ReservoirAlbany	NR	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded

NR = not rated: there is not enough recent sampling to support a letter. That is EPA Integrated Reporting Category 3 (insufficient information), not a failing grade. How grading works.

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Other Counties in Wyoming

Johnson County

32 lakes · Avg grade B

Sublette County

117 lakes · Avg grade B

Natrona County

36 lakes · Avg grade B

Crook County

9 lakes · Avg grade B

Sheridan County

11 lakes · Avg grade B

Platte County

19 lakes · Avg grade B

See how Albany County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all United States (49 states), Canada (Ontario, Québec, Nova Scotia, British Columbia and Newfoundland and Labrador), and 38 other country hubs..

Source: EPA National Aquatic Resource Surveys, 2026.