From the City of Ottawa

The following Ward 3 streets (mostly Old Barrhaven) will be undergoing routine sewer cleaning activities. For more information on sewer cleaning activities, visit this site.
"During the cleaning process, the use of high pressure water creates air pockets inside the sewer pipe that generally escape with no impact to a property’s internal plumbing."
The City describes the possibility as "unlikely."
The City recommends keeping toilet lids closed during sewer cleaning as a precautionary measure.
(To easily search for your street, use ctrl+F on Windows or cmd+F on Mac)
Street in Ward 3
AIRYCOT CIRC
ALDGATE CRES
AMAR LANE
ANDREA CRES
ANJANA CIRC
ARMADALE CRES
BAJAN ST
BAMBURGH WAY
BARRAN ST
BARRHAVEN CRES
BARRY HELMAN CRES
BEDDINGTON AVE
BELLISTER AVE
BERKSHIRE WAY
BLUERIDGE CRT
BOURNE ST
BRETBY CRES
BRIDGEWATER TER
BURNETT'S GROVE CIRC
CAMDEN PRIV
CARROLL CRT
CHALICE CRT
CHATHAM GDN
CHESAPEAKE CRES
COBBLE HILL DR
CONSTABLE ST
COPPERFIELD CRES
CYNTHIA CRT
DOLAN DR
EAGLE CHASE CRT
EASEMENT
EDGEMONT AVE
ES BURNETT'S GROVE-GLACIER
ES CHATHAM-BEDDINGTON
ES MALVERN-CHALICE
ES RAF-JEN
ES RAF-LAMING
ES TEEVENS-MELVILLE
ES VEST-ES PICK-TART
ETTRICK CRES
FABLE ST
FELSTEAD GDN
FERGUS CRES
FLANDERS ST
FLINT CRT
FOSTERBROOK WAY
FRAMINGHAM CRES
GREEN ST
GREENBANK RD
HAWKSHAW CRES
HELENE - CAMPBELL RD
HENNEPIN ST
HIBISCUS WAY
HOPKINTON ST
HORACE CRT
HUMMINGBIRD CRES
HYANNIS AVE
JALNA CRT
JENNIFER LANE
JERRILYNN CRES
JOCKVALE RD
KANE TER
KENMARE PL
KENNEVALE DR
KINETIC WAY
LAMING ST
LAMPLIGHTERS DR
LANGHOLM CRES
LARKIN DR
LEETOM CRES
LIMA WAY
LIVEOAK CRES
MALVERN DR
MANNINGTON CRT
MARAVISTA DR
MELVILLE DR
MERNER AVE
MOFFATT POND CRT
MUSKAN ST
NATICK GT
NEWBURGH PL
ODESSA WAY
OTTEN DR
PEACOCK CRES
PEERLESS ST
PERRIN AVE
PHEASANT RUN DR
PHYLIS ST
PICKWICK DR
POPPLEWELL CRES
PREM CIRC
PROVIDENCE PL
RAFTUS SQ
READY WAY
ROBERTA CRES
SAGAMORE CRT
SAGE CRES
SARRAZIN WAY
SEABURY GT
SHANEL PL
SHERWAY DR
SHIREGREEN DR
ST. REMY DR
STONE HOUSE CRT
STRANDHERD DR
TARTARUGA LANE
TEDWYN DR
TEEVENS DR
THISTLEDOWN CRT
TIBER GT
TRIPP CRES
VANESSA TER
VENTNOR WAY
VESTA ST
WELLFLEET CRES
WEYBRIDGE DR
WHEELER ST
WHELAN DR
WILLWOOD CRES
YARWOOD CRT
YELLOWSTONE CRT