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LakeQuality

50 lakes in Texas report elevated algae levels (chlorophyll-a above 20 µg/L). These lakes are most likely to develop blue-green algae blooms during warm, calm summer weather. Avoid swimming during visible blooms and rinse pets after contact.

Ranked List

#LakeCountyGradeClarityPhosphorusAlgae
1Rita Blanca LakeHartleyNR-710 µg/L345 µg/L
2Palo Duro ReservoirHansfordNR0.7 ft318 µg/L139.6 µg/L
3Springfield LakeLimestoneF1 ft330 µg/L129 µg/L
4Lake KirbyTaylorF0.7 ft125 µg/L124 µg/L
5Lake FryerOchiltreeF0.7 ft100 µg/L124 µg/L
6Victor Braunig LakeBexarNR1.5 ft730 µg/L91 µg/L
7Buffalo Springs LakeLubbockF2.4 ft110 µg/L83.3 µg/L
8Lake WeatherfordParkerF2.2 ft50 µg/L79.9 µg/L
9Lake Somerville Mid LakeBurlesonF1.8 ft110 µg/L68.7 µg/L
10Somerville Lake Big Creek ArmBurlesonF1.8 ft85 µg/L67.7 µg/L
11Lake TanglewoodRandallF2.3 ft-65.5 µg/L
12Lake MurvaulPanolaF2.1 ft53.9 µg/L65.3 µg/L
13New Marlin City LakeFallsF1.5 ft130 µg/L62 µg/L
14Upper Lake PalestineSmithF1.6 ft80 µg/L61.6 µg/L
15Lake Whitney Nolands River ArmHillF1.3 ft80 µg/L59.2 µg/L
16Lake OpinesMarionF2 ft50 µg/L59.2 µg/L
17White Rock LakeDallasF1.7 ft80 µg/L57.6 µg/L
18Lake PalestineSmithF2 ft48 µg/L56.5 µg/L
19L Houston W of Lake ShadowsHarrisNR1.5 ft180 µg/L56.1 µg/L
20Lake MexiaLimestoneF1.1 ft170 µg/L50.7 µg/L
21Lake Crook Mid LakeLamarF1.6 ft85 µg/L50 µg/L
22Lake Cypress Springs Mid LakeFranklinF2.6 ft40 µg/L49.5 µg/L
23Lavon LakeCollinF1.4 ft106.5 µg/L48 µg/L
24Lake KiowaCookeNR0.8 ft49 µg/L47 µg/L
25Pat Cleburne ReservoirJohnsonF2.4 ft50 µg/L46.9 µg/L
26Lake StamfordHaskellF2 ft50.1 µg/L43.3 µg/L
27Lake Waco N Bosque ArmMcLennanF1.3 ft41.6 µg/L43.2 µg/L
28Shallow Prong LakeJeffersonD1.3 ft80 µg/L43.1 µg/L
29Lake O the Pines Mid LakeMarionF2.7 ft30 µg/L41.7 µg/L
30Lake Amon G CarterMontagueF2.3 ft40 µg/L40.1 µg/L
31Navarro Mills LakeNavarroF2.2 ft50 µg/L38.6 µg/L
32Leon ReservoirEastlandF1.8 ft30 µg/L37.3 µg/L
33Impoundment LakeBexarNR-50 µg/L37.2 µg/L
34Lake Houston S Union Pacific Rr BridgeHarrisF1.3 ft210.5 µg/L36.7 µg/L
35Conquistador LakeLubbockNR1 ft49 µg/L33 µg/L
36Twin Buttes ReservoirTom GreenNR1.2 ft35 µg/L32.6 µg/L
37Lake TawakoniHuntD1.5 ft100 µg/L32 µg/L
38Lake Ray HubbardRockwallF2 ft64 µg/L31.8 µg/L
39Jim L Chapman LakeDeltaF1.2 ft-31 µg/L
40Tradinghouse Creek ReservoirMcLennanF2.7 ft31.9 µg/L30.5 µg/L
41Cooper Lake SiteHopkinsD2.7 ft50 µg/L28.7 µg/L
42Lake GladewaterUpshurD3 ft35 µg/L28.2 µg/L
43Lake Fort Phantom HillJonesD2.5 ft60 µg/L27.6 µg/L
44Lewisville LakeDentonD1.8 ft43 µg/L26.8 µg/L
45Lake HoustonHarrisD0.6 ft780 µg/L26.2 µg/L
46Lake Tyler ESmithC3.3 ft25 µg/L25.8 µg/L
47Purtis Creek LakeHendersonC3 ft45 µg/L25.7 µg/L
48Lake GilmerUpshurC3 ft38 µg/L24.9 µg/L
49Fairfield LakeFreestoneB3.2 ft40 µg/L24.9 µg/L
50Wright Patman Lake SiteCassD1.8 ft84.7 µg/L23.4 µg/L

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