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LakeQuality
B

Kenora District County Lake Quality

Ontario, 336 lakes, average grade B (Good)

Kenora District County has 336 graded 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 grade distribution reflects that mix. The county-wide average lands at B — solid water quality with most lakes carrying clear summer transparency and low-to-moderate phosphorus.

The county's lakes lean shallow, which makes the grades sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest lake on the books is Armstrong Lake (A); the most-stressed is Clay Lake (F).

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All Lakes in Kenora District County

RankLakeGradeClarityPhosphorus
1Armstrong LakeA16.1 ft-
2Blue LakeA17.1 ft11.3 µg/L
3Cedar LakeA-19 µg/L
4Cliff LakeA-8.8 µg/L
5Ghost LakeA18 ft16.2 µg/L
6Gordon LakeA23 ft6.6 µg/L
7Hawk LakeA21 ft3.3 µg/L
8Kakagi LakeA29.7 ft5 µg/L
9Linklater LakeA24.9 ft5.3 µg/L
10Little Gordon LakeA28.2 ft3.9 µg/L
11Little Vermilion LakeA16.6 ft10.2 µg/L
12Manomin LakeA16.7 ft12.7 µg/L
13Nora LakeA17.1 ft8 µg/L
14Perrault LakeA-18.8 µg/L
15Pickerel LakeA15.7 ft9.4 µg/L
16Raleigh LakeA15.1 ft5.9 µg/L
17Red Deer LakeA21.3 ft18.3 µg/L
18Sherwood LakeA16.9 ft4.5 µg/L
19Silver LakeA18 ft4.5 µg/L
20Teggau LakeA20.3 ft8.1 µg/L
21Thunder LakeA-11.7 µg/L
22Trout LakeA18 ft-
23White Otter LakeA17.1 ft3.7 µg/L
24Ottermere LakeA-19.2 µg/L
25Sampson LakeA-5.7 µg/L
26Stranger LakeA-12.3 µg/L
27Wapus LakeA-11.6 µg/L
28Abram LakeA-9.3 µg/L
29Airport LakeA-16 µg/L
30Black LakeA-16.9 µg/L
31Caviar LakeA-8.7 µg/L
32Cedartree LakeA-6.6 µg/L
33Dogpaw LakeA-8.1 µg/L
34Dogtooth LakeA-16.9 µg/L
35Dryberry LakeA-9.3 µg/L
36Edward LakeA-19.5 µg/L
37Esther LakeA-17.7 µg/L
38Flint LakeA-15.3 µg/L
39Helen LakeA-11.2 µg/L
40Kahmitiwajewunk LakeA-17.5 µg/L
41Mac LakeA-12.6 µg/L
42Mack LakeA-8.5 µg/L
43Nixon LakeA-7.3 µg/L
44South Narrows LakeA-6.9 µg/L
45Stephen LakeA-8.7 µg/L
46Straw LakeA-13.9 µg/L
47Sucan LakeA-12.1 µg/L
48Agnes LakeA18.9 ft3.4 µg/L
49Anishinabi LakeA23 ft-
50Big Trout LakeA19.7 ft6.6 µg/L
51Big Vermilion LakeA15.7 ft9.4 µg/L
52Bulging LakeA19.7 ft6.4 µg/L
53Burditt LakeA16.4 ft6.3 µg/L
54Cairns LakeA17.1 ft6.7 µg/L
55Confederation LakeA15.7 ft-
56Conifer LakeA17.1 ft4.9 µg/L
57Daniels L. LakeA22.3 ft3.9 µg/L
58Delaney LakeA15.1 ft8.8 µg/L
59Dibble LakeA15.7 ft4.5 µg/L
60Dryberry LakeA24.6 ft4.5 µg/L
61Echoing LakeA21.3 ft8.8 µg/L
62Entwine LakeA16.7 ft4.9 µg/L
63Gordon LakeA26.2 ft3.3 µg/L
64Grey Trout LakeA15.4 ft8.9 µg/L
65Irene LakeA22 ft3.3 µg/L
66Kaiashkons LakeA16.4 ft5.4 µg/L
67Kawashegamuk Long LakeA17.2 ft6.8 µg/L
68Lower Manitou LakeA17.9 ft6.4 µg/L
69Mameigwess L. LakeA23 ft-
70Porcus LakeA23 ft3.5 µg/L
71Richardson LakeA15.4 ft11.6 µg/L
72Sandford LakeA34.8 ft3.8 µg/L
73Secret LakeA17.1 ft6.9 µg/L
74South Crook LakeA28.5 ft7 µg/L
75Stormy L. LakeA16.4 ft8 µg/L
76Tom LakeA-5.8 µg/L
77Trout LakeA15.6 ft6.1 µg/L
78Trout LakeA16.4 ft-
79Tully LakeA16.7 ft7.2 µg/L
80Upper Manitou LakeA18.9 ft6.9 µg/L
81Windermere LakeA16.4 ft4.7 µg/L
82Winnange L. LakeA26.6 ft4.6 µg/L
83Bee LakeA13.1 ft8.1 µg/L
84Berry LakeA10.8 ft10.5 µg/L
85Cache LakeA12.1 ft5.7 µg/L
86Catastrophe LakeA12.5 ft8.1 µg/L
87Eagle LakeA12.6 ft13.4 µg/L
88Ely LakeA12.3 ft10.5 µg/L
89Fox LakeA14.8 ft10.3 µg/L
90Granite LakeA13.1 ft8.3 µg/L
91Herony LakeA12.1 ft11.5 µg/L
92Hilly LakeA12.1 ft9.3 µg/L
93Lake of Two MountainsA12 ft11.9 µg/L
94Malachi LakeA10.2 ft11.8 µg/L
95Mark LakeA12.8 ft7.4 µg/L
96Moss LakeA14.8 ft11.8 µg/L
97Mountain LakeA10.8 ft8.3 µg/L
98Mountain LakeA13.5 ft6.1 µg/L
99Paddy LakeA14.4 ft16.2 µg/L
100Shoal LakeA11.5 ft14.8 µg/L
101Spruce LakeA11.5 ft11.8 µg/L
102War Eagle LakeA10.8 ft10.2 µg/L
103Willard LakeA13.5 ft5.3 µg/L
104Winnange LakeA14.1 ft4.2 µg/L
105Pelican LakeA11.5 ft10.6 µg/L
106Andy LakeA11.5 ft9.9 µg/L
107Atikwa LakeA14.8 ft6.7 µg/L
108Augite LakeA10.2 ft7.5 µg/L
109Base LakeA11.5 ft6.8 µg/L
110Big Canon LakeA11.5 ft9.5 µg/L
111Big Island LakeA12.8 ft4.8 µg/L
112Bluffpoint LakeA12.5 ft7.5 µg/L
113Bornite LakeA14.1 ft12.3 µg/L
114Broadcast LakeA12.5 ft9.8 µg/L
115Canyon LakeA10.8 ft10.2 µg/L
116Caviar LakeA13.1 ft10.1 µg/L
117Cecil L. LakeA10.5 ft9.6 µg/L
118Confusion LakeA10.7 ft8.3 µg/L
119Crook LakeA13.5 ft5.6 µg/L
120Cross LakeA11.5 ft6.7 µg/L
121Deer LakeA13.1 ft12.2 µg/L
122Dogpaw LakeA12.8 ft7.7 µg/L
123Indian LakeA14.4 ft9.5 µg/L
124Jackfish LakeA12.1 ft8.7 µg/L
125Loonhaunt LakeA11.8 ft7.2 µg/L
126Loonhaunt LakeA11.5 ft9.5 µg/L
127Mount LakeA12.8 ft7 µg/L
128Pipestone LakeA11.5 ft7.3 µg/L
129Rutter LakeA11.8 ft6.8 µg/L
130Schistose LakeA12.5 ft5.7 µg/L
131Shabumeni LakeA12.5 ft9.4 µg/L
132Shrub LakeA11.5 ft6.8 µg/L
133Tadpole LakeA10.3 ft6 µg/L
134Vista LakeA13.1 ft6.6 µg/L
135Wapageisi LakeA11.8 ft7.4 µg/L
136Whitewater LakeA13.1 ft8.4 µg/L
137Windigo LakeA11.5 ft11.3 µg/L
138Winisk LakeA11.5 ft9 µg/L
139Woman LakeA12.1 ft10.3 µg/L
140Aerobus LakeB7.5 ft13.2 µg/L
141Agimak LakeB7.5 ft8.1 µg/L
142Austin LakeB9.2 ft12.8 µg/L
143Black Sturgeon LakesB8.9 ft13.9 µg/L
144Blindfold LakeB8.2 ft11 µg/L
145Culloden LakeB9.8 ft13 µg/L
146Engineers LakeB11.5 ft20.2 µg/L
147Godson LakeB13.8 ft25 µg/L
148Gullwing LakeB6.7 ft11.7 µg/L
149Island LakeB8.2 ft16 µg/L
150Jackfish LakeB-20.4 µg/L
151John LakeB7.2 ft10.1 µg/L
152Keynote LakeB-20.8 µg/L
153Laclu LakeB8.2 ft16.2 µg/L
154Lake of the WoodsB9.5 ft17.7 µg/L
155Laurenson'S LakeB-23.1 µg/L
156Little Boulder LakeB8.2 ft10.3 µg/L
157Longpine LakeB7.9 ft11.9 µg/L
158Louise LakeB8.2 ft14.4 µg/L
159Low LakeB7.2 ft8.4 µg/L
160Lower Stewart LakeB9.8 ft6.5 µg/L
161Macara LakeB9.8 ft13.2 µg/L
162Middle LakeB7.2 ft13.5 µg/L
163Moth LakeB6.9 ft12 µg/L
164Ord LakeB7.4 ft13.6 µg/L
165Tannis LakeB8.2 ft15.1 µg/L
166Thaddeus LakeB11.2 ft-
167Upper Stewart LakeB8.2 ft6.9 µg/L
168Wabaskang LakeB8.9 ft14.8 µg/L
169Barnston LakeB-25.2 µg/L
170Bruce LakeB-28.2 µg/L
171Camping LakeB-22.6 µg/L
172Gull Rock LakeB-21.8 µg/L
173Keg LakeB9.8 ft17.6 µg/L
174Two Island LakeB-20.7 µg/L
175Abram LakeB9 ft9.7 µg/L
176Arethusa LakeB6.9 ft15.7 µg/L
177Canada LakeB8.9 ft14.4 µg/L
178Bain LakeB8.5 ft6.7 µg/L
179Bee LakeB9.8 ft10.1 µg/L
180Bending LakeB8.2 ft5.9 µg/L
181Black Sturgeon LakeB8.5 ft12.9 µg/L
182Botsford LakeB7.7 ft12.8 µg/L
183Bury LakeB9 ft12.3 µg/L
184Carling LakeB8.9 ft7.3 µg/L
185Cliff L. LakeB12.1 ft-
186Coli LakeB7.5 ft14.9 µg/L
187Dore L. LakeB9.8 ft13.2 µg/L
188Edward L. LakeB8.9 ft14.5 µg/L
189Flying Loon LakeB7.5 ft14.1 µg/L
190Grace LakeB6.9 ft18.4 µg/L
191Gustauson L. LakeB9.8 ft7 µg/L
192Hammel LakeB9.8 ft6.3 µg/L
193James LakeB8.2 ft7.3 µg/L
194Kay LakeB7.7 ft6 µg/L
195Kirkness LakeB8.5 ft13.1 µg/L
196Kukukus L. LakeB9.8 ft14.5 µg/L
197Lac Seul LakeB7.5 ft13.3 µg/L
198Lake of BaysB7.5 ft13.1 µg/L
199Lawrence LakeB9.8 ft6 µg/L
200Lingman LakeB9.8 ft10.9 µg/L
201Little Sandbar LakeB7.2 ft14.4 µg/L
202Little Vermilion L. LakeB7.9 ft13.1 µg/L
203Marchington LakeB8.9 ft6.9 µg/L
204Mattawa LakeB8.9 ft9.2 µg/L
205Minnitaki LakeB9 ft12 µg/L
206Mold L. LakeB8.7 ft9 µg/L
207Mud LakeB12.8 ft-
208N.L.-Kenora LakeB8.2 ft12.9 µg/L
209Onnie LakeB8.5 ft12.6 µg/L
210Penassi L. LakeB9.8 ft10.9 µg/L
211Populus LakeB9.2 ft8 µg/L
212Priam LakeB6.9 ft9.3 µg/L
213Pyramid LakeB7.5 ft9.2 µg/L
214Rowan LakeB8.7 ft8 µg/L
215Savoy LakeB7.2 ft9.9 µg/L
216Scotch LakeB9.2 ft6.7 µg/L
217Snook LakeB8.2 ft11.4 µg/L
218Trap LakeB8 ft13 µg/L
219Tutu LakeB9.8 ft8.4 µg/L
220Unnamed L. LakeB8.2 ft10.4 µg/L
221Upper Medicine Stone LakeB13.8 ft-
222Victoria LakeB9.2 ft9.4 µg/L
223Whitefish LakeB8.2 ft6 µg/L
224Whiterock LakeB8.9 ft11.8 µg/L
225Wingiskus LakeB8.2 ft13.7 µg/L
226Wintering L. LakeB6.9 ft15.9 µg/L
227Wyder LakeB13.8 ft-
228Belle LakeB3.9 ft14 µg/L
229Catherine LakeB9 ft20.3 µg/L
230Corner LakeB6.6 ft18.5 µg/L
231Deception LakeB5.7 ft12.6 µg/L
232Longbow LakeB6.6 ft14.3 µg/L
233Mcconnell LakeB9.2 ft22.7 µg/L
234Muriel LakeB6.6 ft16.4 µg/L
235Rosina LakeB5.2 ft13.6 µg/L
236Sand LakeB7.5 ft28.2 µg/L
237Sandy LakeB4.4 ft16.8 µg/L
238Scattergood LakeB6.6 ft8.2 µg/L
239Schnarr LakeB4.9 ft19.5 µg/L
240Barrel LakeB5.9 ft14.7 µg/L
241Blair LakeB6.6 ft13.4 µg/L
242Bruce LakeB6.2 ft16.7 µg/L
243Butler LakeB6.2 ft12.8 µg/L
244Cobble LakeB5.9 ft12.8 µg/L
245Cramp LakeB3.9 ft11.2 µg/L
246Davies LakeB6.6 ft10.6 µg/L
247Dowswell LakeB6.6 ft10.6 µg/L
248Dry-Nl LakeB3.9 ft8.2 µg/L
249Godson L. LakeB5.9 ft18.3 µg/L
250Gooch L. LakeB4.6 ft18.9 µg/L
251Haggart LakeB9.8 ft20.2 µg/L
252Hailstone LakeB3.6 ft13.2 µg/L
253Hik LakeB6.2 ft11.8 µg/L
254Horseshoe LakeB6.2 ft9.3 µg/L
255Jeanette LakeB6.6 ft12.5 µg/L
256Jubilee LakeB6.2 ft6.2 µg/L
257Lake of the WoodsB6.6 ft19.1 µg/L
258Little Vermilion LakeB4.3 ft19.5 µg/L
259Lower Stewart LakeB6.6 ft6.9 µg/L
260Mickle LakeB3.9 ft19.4 µg/L
261Nikip LakeB4.9 ft18.2 µg/L
262North Spirit LakeB6.6 ft13.1 µg/L
263Otatakan LakeB4.6 ft14.6 µg/L
264Pine LakeB6.2 ft12.8 µg/L
265Plum LakeB6.6 ft9.7 µg/L
266Rock LakeB4.8 ft16.6 µg/L
267Rugby LakeB3.4 ft19.9 µg/L
268Shamattawa LakeB3.9 ft11.5 µg/L
269South Scot LakeB6.2 ft17 µg/L
270South Wapageisi LakeB6.6 ft6.9 µg/L
271Spruce LakeB6.6 ft9.5 µg/L
272Spruce LakeB4.6 ft17 µg/L
273Stanzhikimi LakeB6.2 ft18.1 µg/L
274Totogan LakeB6.6 ft12.3 µg/L
275Towers L. LakeB6.6 ft14.1 µg/L
276Wavell LakeB4.3 ft12.8 µg/L
277Alcock LakeC3.9 ft26.8 µg/L
278Caliper LakeC4.9 ft22.3 µg/L
279Ena LakeC7.9 ft-
280Grassy LakeC5.6 ft22.7 µg/L
281Laclu River LakeC7.5 ft-
282Lena LakeC4.9 ft20.5 µg/L
283Little Gun LakeC6.9 ft-
284Little Sand LakeC7.1 ft-
285Red LakeC7.9 ft-
286Wabigoon LakeC3.4 ft28.5 µg/L
287Whitney LakeC5.6 ft21.1 µg/L
288Winnipeg River LakeC6.2 ft22.3 µg/L
289Bottle Bay LakeC-32.5 µg/L
290Cul de Sac LakeC-37.9 µg/L
291Berens LakeC3.4 ft24.9 µg/L
292Birch LakeC7.5 ft-
293Blueberry LakeC4.9 ft27.4 µg/L
294Cygnet LakeC6.6 ft26 µg/L
295Dinorwic LakeC3.3 ft18.1 µg/L
296Eye LakeC7.5 ft-
297Gullrock LakeC6.6 ft21.1 µg/L
298Hartman LakeC9.2 ft-
299Longlegged LakeC8.2 ft-
300Pedlar LakeC6.9 ft-
301Premier LakeC8.2 ft-
302Sup LakeC7.9 ft-
303Umfreville LakeC6.9 ft-
304Upper Slate LakeC3.3 ft13.5 µg/L
305Whitemud LakeC3.3 ft16.5 µg/L
306Willis LakeC5.7 ft25.8 µg/L
307Mcfaulds LakeC2.6 ft22 µg/L
308Silcox LakeC4.9 ft34.3 µg/L
309Wabigoon L. LakeC3.3 ft24.2 µg/L
310Wild Berry LakeC2 ft20 µg/L
311Pelicanpouch LakeD5.6 ft-
312Royal LakeD4.9 ft-
313Pakwash LakeD5.2 ft-
314Amik LakeD4.9 ft-
315Bawden LakeD6.2 ft-
316Big Fox LakeD3.9 ft-
317Birmingham LakeD6.6 ft-
318Bury LakeD4.9 ft-
319Crystal L. LakeD5.9 ft-
320Gibraltar LakeD5.9 ft-
321Joyce LakeD6.2 ft-
322Lount L. LakeD6.6 ft-
323Mamakwash LakeD6.2 ft-
324Nungesser LakeD6.6 ft-
325Peeagwon LakeD2.3 ft53.4 µg/L
326Pikangikum LakeD4.6 ft-
327Press L. LakeD5.6 ft-
328Sandy LakeD1.6 ft39.4 µg/L
329Shabu LakeD6.2 ft-
330Singapore LakeD4.6 ft-
331Sowden LakeD5.2 ft-
332Tide LakeD3.6 ft-
333Uchi LakeD5.9 ft-
334Wegg LakeD3.9 ft-
335Clay LakeF2.6 ft-
336Slim LakeF2.6 ft-

See how Kenora District County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 38 states.

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Source: EPA National Aquatic Resource Surveys, 2026.