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July 18, 2025

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Advisories for Ontario

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Select municipality for details:

MunicipalityTypeSince
1. ALBAN (1) Boil Water 6/27/2024
2. ALEXANDRIA (2) Boil Water 7/10/2025
3. ALFRED Boil Water 7/10/2025
4. Algonquin Prov Pk (13) Boil Water 6/23/2025
5. Annes Chip Stand Boil Water 7/14/2023
6. AYLMER (2) Water Quality Advisory 12/15/2022
7. AYTON Lodge Water Quality Advisory 6/25/2024
8. Baycrest Lodge Boil Water 6/2/2023
9. BAYVIEW ESCARPMENT PROV PK Boil Water 5/25/2024
10. BEARDMORE Boil Water 6/7/2025
11. Bearskin Lake First Nation (3) Boil Water 5/4/2022
12. BEAVERTON Boil Water 6/30/2025
13. Big Grassy First Nation Boil Water 7/22/2024
14. BLACK CREEK PROVINCIAL PARK Boil Water 5/25/2024
15. BLACKSTOCK (Souls Path Retreats Lodge Winter Well) Boil Water 3/25/2025
16. Blue Lake Prov Pk Boil Water 6/16/2025
17. BRANTFORD Boil Water 6/27/2025
18. BRANTFORD (Lifebridges) Boil Water 6/26/2024
19. BRIGHTON Boil Water 7/14/2020
20. BRUCE MINES (Bruce Bay Cottages) Boil Water 9/30/2024
21. CABOT HEAD PROVINCIAL PARK Boil Water 5/25/2024
22. Camp Kagama Water Quality Advisory 6/3/2024
23. CAMPBELLFORD Boil Water 6/12/2025
24. Campbellford Boil Water 6/4/2020
25. CAMPBELLVILLE Old Diamond Boil Water 8/23/2024
26. CENTERVILLE (1) Boil Water 1/2/2025
27. CHAPLEAU (1) Boil Water 8/10/2023
28. CHAPLEAU (Pellows Best Canadian Fishing) Boil Water 6/2/2025
29. CHAPLEAU-NEMEGOSENDA RIVER PROV PK Boil Water 5/25/2024
30. CHATHAM (Glasshouse Nursery & Garden Centre) Boil Water 12/12/2024
31. CHENEY Boil Water 7/10/2025
32. Chippewas of Nawash-Cape Croker First Nation Boil Water 1/21/2019
33. Chippewas of the Thames Boil Water 12/14/2022
34. COBDEN (Logos Land Resort SDWS Campground) Boil Water 7/8/2024
35. COCHRANE (North Adventure Inn) Do Not Consume 5/22/2025
36. COLLINGWOOD Spill 4/2/2025
37. Columbus Golf & Country Club Boil Water 5/21/2021
38. COMMANDA LAKE Cyanobacteria Bloom 6/26/2025
39. CORNWALL (Glen Walter System) Boil Water 12/25/2024
40. Deer Lake First Nation Boil Water 10/15/2019
41. DRACON (GCCA Harmonie) Boil Water 5/17/2024
42. DUNDALK Drinking Water System Water Quality Advisory 1/7/2025
43. DURHAM (1) Water Quality Advisory 3/8/2024
44. ESPANOLA (Mountain Cove Lodge) Boil Water 8/14/2024
45. FENELON FALLS Boil Water 6/19/2025
46. Ferme Butte and Bine Boil Water 7/6/2023
47. FOLEYET (Shenango Lodge) Boil Water 8/20/2024
48. Fort Severn First Nation Boil Water 12/14/2024
49. FOXBORO (Belleville Pizzeria / Foxboro General Sto Boil Water 4/12/2025
50. FUSHIMI LAKE PROVINCIAL PARK Boil Water 9/8/2023
51. Georgian Bluffs Boil Water 8/26/2019
52. GEORGINA Boil Water 4/18/2024
53. Georgina Island Chippewa Boil Water 4/24/2017
54. Glen Walter Boil Water 5/18/2023
55. GORDON LAKE Community Hall Boil Water 9/25/2024
56. Grassy Narrows First Nation Boil Water 8/29/2024
57. Green Wilderness Lodge Boil Water 8/17/2022
58. Gull Bay First Nation Boil Water 4/30/2009
59. HAMPTON Boil Water 1/29/2024
60. HANOVER (Victory Fellowship Church) Water Quality Advisory 7/3/2024
61. Harcourt (1) Boil Water 8/4/2024
62. HARTINGTON (Lazy Acre Cottages) Boil Water 6/19/2021
63. HEARST (1) Boil Water 8/3/2024
64. Hoard Station Boil Water 3/31/2023
65. HOLSTEIN (2) Water Quality Advisory 8/22/2024
66. HOPE BAY FOREST PROVINCIAL PARK Boil Water 5/25/2024
67. IRA LAKE PROVINCIAL PARK Boil Water 5/25/2024
68. IRON BRIDGE (Melwel Lodge) Boil Water 8/8/2024
69. Johnston Hrb.-Pine Tree Pt. Prov Park Boil Water 5/25/2024
70. Kashechewan Boil Water 12/3/2024
71. Kawartha Highland Provincial Park Boil Water 12/17/2020
72. KAWARTHA LAKES Boil Water 7/8/2025
73. Kee-Way-Win First Nation Boil Water 6/9/2025
74. KENOGAMING LAKE (Thunderstock Outfitters) Boil Water 5/22/2024
75. Kicking Mule Ranch Boil Water 9/27/2023
76. KILLBEAR PROVINCIAL PARK Boil Water 5/9/2025
77. LAKE SCUGOG Cyanobacteria Bloom 7/11/2025
78. LANCASTER Boil Water 6/30/2025
79. LEEs Creek (North Bay) Do Not Consume 2/22/2017
80. LIONS HEAD PROV PARK Boil Water 5/25/2024
81. LONG BEACH Water System Boil Water 4/10/2006
82. Lost Lake Campground Boil Water 9/2/2022
83. MacLeod Provincial Park Boil Water 11/18/2020
84. Maple Ridge Park Campground Boil Water 5/12/2023
85. MARK S. BURNHAM PROV PK Boil Water 5/25/2024
86. Marten Falls First Nation Boil Water 7/18/2005
87. MASSEY Boil Water 4/25/2024
88. MAYNOOTH (Graphite Bible Camp) Do Not Consume 8/9/2024
89. MILTON (Humes Auction Farm) Do Not Consume 10/2/2024
90. Misery Bay Prov. Park Boil Water 8/1/2023
91. Mishkeegogamang First Nation (3) Boil Water 5/8/2025
92. Missinaibi Provincial Park Boil Water 8/13/2021
93. Mohawks of Bay of Quinte Boil Water 9/2/2024
94. Muskrat Dam Lake Reserve Boil Water 10/24/2003
95. Neskantaga First Nation Boil Water 2/1/1995
96. Newcastle Golf and Country Club Boil Water 5/21/2021
97. Nibinamik First Nation Boil Water 2/5/2013
98. NORTH BAY Spill 12/4/2024
99. NORTH MIDDLESEX (2) Water Quality Advisory 8/23/2024
100. North Spirit Lake First Nation Boil Water 4/5/2019
101. North Spirit Lake Indian reserve Boil Water 8/20/2024
102. OAKVILLE (2) Do Not Consume 1/15/2025
103. OLIVER PAIPOONGE Do Not Consume 3/9/2023
104. Oneida of The Thames First Nation Boil Water 9/1/2019
105. ORILLIA Spill 4/2/2025
106. Palmer Rapids - Maplehaus Boil Water 6/13/2023
107. PELEE ISLAND (2) Boil Water 6/25/2024
108. Pembroke - LJs Boil Water 6/10/2023
109. PETAWAWA (Pine Ridge Park & Resort) Boil Water 6/12/2024
110. PICTON (1) Boil Water 9/10/2024
111. PICTON (2) Boil Water 7/10/2025
112. POTHOLES PROVINCIAL PARK Boil Water 5/25/2024
113. QUINTE WEST (Church of Jesus Christ of Latter-day Boil Water 5/2/2025
114. Rainy River First Nation Boil Water 7/8/2024
115. RAMARA Water Quality Advisory 4/1/2025
116. RAMSEY LAKE Cyanobacteria Bloom 7/11/2025
117. Rene Brunelle Provincial Park Boil Water 12/4/2020
118. Rideau Ferry Country Home Boil Water 6/12/2024
119. RIVER VALLEY Outdoor Rink Do Not Consume 2/19/2025
120. ROSENEATH (Langs Family Resort & Marina) Boil Water 8/21/2024
121. Russell - Marvelville Community Centre Boil Water 8/15/2023
122. Sandy Lake First Nation Boil Water 10/10/2002
123. SAULT STE. MARIE (2) Boil Water 5/24/2025
124. SEELEY’S BAY Boil Water 7/11/2023
125. Seine River First Nation Boil Water 2/10/2025
126. SEVERN (Coldwater) Spill 4/1/2025
127. Shawanaga First Nation Boil Water 11/6/2024
128. Shelburne Boil Water 7/10/2023
129. Simcoe Water Quality Advisory 7/28/2017
130. SIOUX LOOKOUT Water System Boil Water 8/20/2024
131. Slate Falls First Nation Boil Water 6/23/2023
132. Slate Falls First Nation Boil Water 11/6/2024
133. Smokey Head-White Bluff Prov Pk Boil Water 5/25/2024
134. SPRING BAY (Freds Camp) Boil Water 9/7/2024
135. ST CLAIR RIVER Spill 8/3/2024
136. ST. CLAIR RIVER (Sarnia Harbour) Spill 7/11/2024
137. ST. JOSEPH ISLAND (Jocelyn Twp Community Hall) Boil Water 4/9/2025
138. STAR LAKE Cyanobacteria Bloom 7/2/2025
139. STIRLING (The Buff Stuff Store) Boil Water 5/2/2025
140. SUNDRIDGE (Zion United Church) Do Not Consume 10/31/2024
141. The Shoals Prov. Park Boil Water 5/25/2024
142. THESSALON (Pinecrest Tent & Trailer Park WS) Boil Water 8/29/2024
143. Timberwolf Lodge Restaurant Boil Water 7/22/2022
144. Twp of SELWYN (Condo Corp 949 Sharon Court) Water Quality Advisory 3/10/2025
145. VICTORIA HARBOUR Municipal WS Boil Water 7/8/2024
146. W. Leitch Organics Boil Water 5/26/2023
147. Wabaseemoong First nation Boil Water 10/28/2024
148. Wabauskang First Nation Boil Water 5/16/2025
149. WAINFLEET Boil Water 4/10/2006
150. WARREN Water System Boil Water 1/15/2024
151. WEBBWOOD (Black Bear Camp) Do Not Consume 9/27/2024
152. What The Fries Boil Water 5/23/2023
153. White Lake Provincial Park Boil Water 5/18/2024
154. Whitesand First Nation Boil Water 6/17/2025
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