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April 30, 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. ALGONQUIN PROVINCIAL PARK Boil Water 4/1/2025
3. Anishnaabeg of Naongashiing First Nation Boil Water 11/30/2021
4. Annes Chip Stand Boil Water 7/14/2023
5. AYLMER (2) Water Quality Advisory 12/15/2022
6. AYTON Lodge Water Quality Advisory 6/25/2024
7. Baycrest Lodge Boil Water 6/2/2023
8. BAYVIEW ESCARPMENT PROV PK Boil Water 5/25/2024
9. Bearskin Lake First Nation (3) Boil Water 5/4/2022
10. Big Grassy First Nation Boil Water 7/22/2024
11. BLACK CREEK PROVINCIAL PARK Boil Water 5/25/2024
12. BLACKSTOCK (Souls Path Retreats Lodge Winter Well) Boil Water 3/25/2025
13. BLOOMFIELD (1) Boil Water 8/29/2024
14. BRANTFORD (Lifebridges) Boil Water 6/26/2024
15. BRUCE MINES (Bruce Bay Cottages) Boil Water 9/30/2024
16. CABOT HEAD PROVINCIAL PARK Boil Water 5/25/2024
17. Camp Kagama Water Quality Advisory 6/3/2024
18. Campbellford Boil Water 6/4/2020
19. CAMPBELLVILLE Old Diamond Boil Water 8/23/2024
20. CARRYING PLACE (Stoneburg Cove Resort) Boil Water 9/17/2024
21. Cat Lake First Nation Boil Water 2/26/2024
22. Cedar Creek Campground Boil Water 7/14/2020
23. CENTERVILLE (1) Boil Water 1/2/2025
24. CHAPLEAU (1) Boil Water 8/10/2023
25. CHAPLEAU-NEMEGOSENDA RIVER PROV PK Boil Water 5/25/2024
26. CHATHAM (Glasshouse Nursery & Garden Centre) Boil Water 12/12/2024
27. Chippewas of Nawash-Cape Croker First Nation Boil Water 1/21/2019
28. Chippewas of the Thames Boil Water 12/14/2022
29. COBDEN (Logos Land Resort SDWS Campground) Boil Water 7/8/2024
30. COLLINGWOOD Spill 4/2/2025
31. Columbus Golf & Country Club Boil Water 5/21/2021
32. CORNWALL (Glen Walter System) Boil Water 12/25/2024
33. Deer Lake First Nation Boil Water 10/15/2019
34. DUNDALK Drinking Water System Water Quality Advisory 1/7/2025
35. DURHAM (1) Water Quality Advisory 3/8/2024
36. Eabametoong First Nation Boil Water 8/1/2001
37. ESPANOLA (Mountain Cove Lodge) Boil Water 8/14/2024
38. Ferme Butte and Bine Boil Water 7/6/2023
39. FOLEYET (Shenango Lodge) Boil Water 8/20/2024
40. FORT ALBANY First Nation Boil Water 3/7/2025
41. Fort Severn First Nation Boil Water 12/29/2022
42. FOXBORO (Belleville Pizzeria / Foxboro General Sto Boil Water 4/12/2025
43. FUSHIMI LAKE PROVINCIAL PARK Boil Water 9/8/2023
44. Georgian Bluffs Boil Water 8/26/2019
45. GEORGINA Boil Water 4/18/2024
46. Georgina Island Chippewa Boil Water 4/24/2017
47. Glen Walter Boil Water 5/18/2023
48. GORDON LAKE Community Hall Boil Water 9/25/2024
49. Grassy Narrows First Nation Boil Water 8/29/2024
50. Green Wilderness Lodge Boil Water 8/17/2022
51. Gull Bay First Nation Boil Water 4/30/2009
52. HALTON HILLS (Mt. Zion Apostolic Ark Church of Jes Boil Water 10/24/2024
53. HAMPTON Boil Water 1/29/2024
54. HANOVER (Victory Fellowship Church) Water Quality Advisory 7/3/2024
55. Harcourt (1) Boil Water 8/4/2024
56. HARTINGTON (Lazy Acre Cottages) Boil Water 6/19/2021
57. HEARST (1) Boil Water 8/3/2024
58. HILLIER (Cold Creek Vineyards) Boil Water 10/4/2024
59. Hoard Station Boil Water 3/31/2023
60. HOLSTEIN (2) Water Quality Advisory 8/22/2024
61. HOPE BAY FOREST PROVINCIAL PARK Boil Water 5/25/2024
62. IRA LAKE PROVINCIAL PARK Boil Water 5/25/2024
63. IRON BRIDGE (Melwel Lodge) Boil Water 8/8/2024
64. Johnston Hrb.-Pine Tree Pt. Prov Park Boil Water 5/25/2024
65. Kashechewan Boil Water 12/3/2024
66. Kawartha Highland Provincial Park Boil Water 12/17/2020
67. KAWARTHA LAKES (Burnt River) Flooding 4/7/2025
68. KENOGAMING LAKE (Thunderstock Outfitters) Boil Water 5/22/2024
69. Kicking Mule Ranch Boil Water 9/27/2023
70. LEEs Creek (North Bay) Do Not Consume 2/22/2017
71. LIONS HEAD PROV PARK Boil Water 5/25/2024
72. LONG BEACH Water System Boil Water 4/10/2006
73. Lost Lake Campground Boil Water 9/2/2022
74. MacLeod Provincial Park Boil Water 11/18/2020
75. Maple Ridge Park Campground Boil Water 5/12/2023
76. MARK S. BURNHAM PROV PK Boil Water 5/25/2024
77. Marten Falls First Nation Boil Water 7/18/2005
78. MASSEY Boil Water 4/25/2024
79. MAYNOOTH (Graphite Bible Camp) Do Not Consume 8/9/2024
80. MILTON (Humes Auction Farm) Do Not Consume 10/2/2024
81. Misery Bay Prov. Park Boil Water 8/1/2023
82. Mishkeegogamang First Nation Boil Water 5/8/2024
83. Missinaibi Provincial Park Boil Water 8/13/2021
84. Mohawks of Bay of Quinte Boil Water 9/2/2024
85. Muskrat Dam Lake Reserve Boil Water 10/24/2003
86. Neskantaga First Nation Boil Water 2/1/1995
87. Neskantaga First Nation Flooding 4/13/2025
88. Newcastle Golf and Country Club Boil Water 5/21/2021
89. Nibinamik First Nation Boil Water 2/5/2013
90. Nigigoonsiminikaaning First Nation Boil Water 3/13/2025
91. Nipissing First Nation Boil Water 2/27/2025
92. NORTH BAY Spill 12/4/2024
93. NORTH MIDDLESEX (2) Water Quality Advisory 8/23/2024
94. North Spirit Lake First Nation Boil Water 4/5/2019
95. North Spirit Lake Indian reserve Boil Water 8/20/2024
96. Northwest Angle 33 Boil Water 6/24/2024
97. OAKVILLE (2) Do Not Consume 1/15/2025
98. OLIVER PAIPOONGE Do Not Consume 3/9/2023
99. Oneida of The Thames First Nation Boil Water 9/1/2019
100. ORILLIA Spill 4/2/2025
101. OXFORD COUNTY (Mount Elgin) Boil Water 4/29/2025
102. OXFORD COUNTY (Plattsville) Boil Water 4/29/2025
103. Palmer Rapids - Maplehaus Boil Water 6/13/2023
104. PELEE ISLAND (2) Boil Water 6/25/2024
105. Pembroke - LJs Boil Water 6/10/2023
106. PETAWAWA (Pine Ridge Park & Resort) Boil Water 6/12/2024
107. PICTON (1) Boil Water 9/10/2024
108. PICTON (Lake on the Mountain Brewing Company) Boil Water 12/5/2024
109. POTHOLES PROVINCIAL PARK Boil Water 5/25/2024
110. Rainy River First Nation Boil Water 7/8/2024
111. RAMARA Water Quality Advisory 4/1/2025
112. Rene Brunelle Provincial Park Boil Water 12/4/2020
113. Rideau Ferry Country Home Boil Water 6/12/2024
114. RIVER VALLEY Outdoor Rink Do Not Consume 2/19/2025
115. ROSENEATH (Langs Family Resort & Marina) Boil Water 8/21/2024
116. Russell - Marvelville Community Centre Boil Water 8/15/2023
117. Sandy Lake First Nation Boil Water 10/10/2002
118. SEELEY’S BAY Boil Water 7/11/2023
119. Seine River First Nation Boil Water 2/10/2025
120. SEVERN (Coldwater) Spill 4/1/2025
121. Shawanaga First Nation Boil Water 11/6/2024
122. Shelburne Boil Water 7/10/2023
123. Simcoe Water Quality Advisory 7/28/2017
124. SIOUX LOOKOUT Water System Boil Water 8/20/2024
125. Slate Falls First Nation Boil Water 6/23/2023
126. Slate Falls First Nation Boil Water 11/11/2024
127. Smokey Head-White Bluff Prov Pk Boil Water 5/25/2024
128. SPRING BAY (Freds Camp) Boil Water 9/7/2024
129. ST CLAIR RIVER Spill 8/3/2024
130. ST. CLAIR RIVER (Sarnia Harbour) Spill 7/11/2024
131. ST. JOSEPH ISLAND (Jocelyn Twp Community Hall) Boil Water 4/9/2025
132. SUNDRIDGE (Zion United Church) Do Not Consume 10/31/2024
133. The Shoals Prov. Park Boil Water 5/25/2024
134. THESSALON (Pinecrest Tent & Trailer Park WS) Boil Water 8/29/2024
135. Timberwolf Lodge Restaurant Boil Water 7/22/2022
136. Twp of SELWYN (Condo Corp 949 Sharon Court) Water Quality Advisory 3/10/2025
137. VICTORIA HARBOUR Municipal WS Boil Water 7/8/2024
138. W. Leitch Organics Boil Water 5/26/2023
139. WAINFLEET Boil Water 4/10/2006
140. WARREN Water System Boil Water 1/15/2024
141. WEBBWOOD (Black Bear Camp) Do Not Consume 9/27/2024
142. Weenusk First Nation Boil Water 5/3/2024
143. What The Fries Boil Water 5/23/2023
144. White Lake Provincial Park Boil Water 5/18/2024
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