
Eutrophic Lakes in Kansas
41 eutrophic lakes in Kansas. High nutrients, frequent algae, reduced clarity.
Eutrophic lakes — TSI 50 to 70 — are nutrient-rich and productive, with persistent summer algal communities that drive visible reductions in clarity. These conditions are not failures; they reflect a lake doing what nutrient-loaded waters do. 41 Kansas lakes register as eutrophic. Only 0% are deep — eutrophy correlates with shallowness, agricultural watersheds, and the kind of nutrient-input history that takes decades to shift.
Eutrophic lakes typically grade C or D on our A–F scale. The same nutrient richness that defines the trophic class drives the lower grade.
| # | Lake | County | Grade | Clarity | Depth | TSI |
|---|---|---|---|---|---|---|
| 1 | Lake Crawford | Crawford | B | 5.1 ft | - | 52 |
| 2 | Geary Co State Fishing Lake | Geary | B | 4.3 ft | - | 55 |
| 3 | Lake Wabaunsee | Wabaunsee | B | 4.9 ft | - | 53 |
| 4 | Louisburg State Fishing Lake | Miami | B | 3 ft | - | 58 |
| 5 | New Olathe Lake | Johnson | B | 3.4 ft | - | 55 |
| 6 | Madison City Lake | Greenwood | B | 4.1 ft | - | 51 |
| 7 | Parsons Lake | Neosho | B | 2 ft | - | 65 |
| 8 | Bone Creek Lake | Crawford | B | 5.8 ft | - | 52 |
| 9 | Olathe Lake | Johnson | C | 3 ft | - | 59 |
| 10 | Hillsdale Lake | Miami | C | 3.7 ft | - | 56 |
| 11 | Cedar Bluff Lake | Trego | C | 5.9 ft | - | 51 |
| 12 | Clinton Lake | Douglas | C | 3.8 ft | - | 58 |
| 13 | Kanopolis Lake | Ellsworth | C | 2.6 ft | - | 61 |
| 14 | Leavenworth Co State Fishing Lake | Leavenworth | C | 4.3 ft | - | 55 |
| 15 | Mission Lake | Brown | C | 1 ft | - | 69 |
| 16 | El Dorado Lake | Butler | C | 2.8 ft | - | 58 |
| 17 | Big Hill Lake | Labette | C | 3.9 ft | - | 55 |
| 18 | Pleasanton Reservoir | Linn | C | 4.3 ft | - | 54 |
| 19 | Richmond City Lake | Franklin | C | 3.9 ft | - | 56 |
| 20 | Lenexa Lake | Johnson | C | - | - | 55 |
| 21 | Cheney Lake | Sedgwick | D | 2.5 ft | - | 65 |
| 22 | Quivira Lake | Wyandotte | D | 3 ft | - | 61 |
| 23 | Potter'S Lake | Douglas | D | 4.4 ft | - | 59 |
| 24 | Wilson Co State Fishing Lake | Wilson | D | 3.6 ft | - | 57 |
| 25 | Tuttle Creek Lake | Riley | D | 2.9 ft | - | 71 |
| 26 | Mound City Lake | Linn | D | 3.6 ft | - | 60 |
| 27 | Horsethief Canyon Lake | Hodgeman | D | 2.3 ft | - | 63 |
| 28 | New Yates Center Lake | Woodson | D | 5.2 ft | - | 52 |
| 29 | Scott State Fishing Lake | Scott | D | 3.1 ft | - | 62 |
| 30 | Banner Creek Lake | Jackson | D | 2.9 ft | - | 61 |
| 31 | Lone Star Lake | Douglas | D | 3.1 ft | - | 60 |
| 32 | Council Grove Lake | Morris | D | 1.7 ft | - | 70 |
| 33 | Fall River Lake | Greenwood | D | 1.9 ft | - | 63 |
| 34 | Toronto Lake | Woodson | D | 1 ft | - | 70 |
| 35 | Elk City Lake | Montgomery | D | 1.5 ft | - | 67 |
| 36 | John Redmond Lake | Coffey | D | 1.5 ft | - | 73 |
| 37 | Quivera Big Salt Marsh Lake | Stafford | D | 0.8 ft | - | 71 |
| 38 | Waconda Lake | Mitchell | D | 3.3 ft | - | 62 |
| 39 | Kirwin Lake | Phillips | D | 5.5 ft | - | 58 |
| 40 | Strowbridge Reservoir | Osage | D | 2.4 ft | - | 63 |
| 41 | Stoll Park Lake | Johnson | D | - | - | 63 |
All eutrophic lakes →Minnesota version →Wisconsin version →Illinois version →Michigan version →Iowa version →Ohio version →Pennsylvania version →New York version →Missouri version →Indiana version →North Dakota version →South Dakota version →Florida version →Colorado version →North Carolina version →Vermont version →Texas version →Oregon version →Arkansas version →Oklahoma version →Nebraska version →Nevada version →Arizona version →Idaho version →Montana version →New Mexico version →Tennessee version →Alabama version →Virginia version →Kentucky version →Utah version →Washington version →Wyoming version →Georgia version →Massachusetts version →Ontario version →Québec version →Nova Scotia version →British Columbia version →Newfoundland and Labrador version →All Kansas lakes →
Source: EPA National Aquatic Resource Surveys, 2026.