Unable to answer "Is drinking water available here? If so, what is its source?" – Drinking Water – node/6625416802 via StreetComplete 63.0:

No fountain

Unable to answer "Is this still here?" – Southminster United Church (Christian Church) – way/307235302 via StreetComplete 63.0:

2-3 different buildings? 11 galt is pictured in far left of my captured image. church on far right

Attached photo(s):
https://streetcomplete.app/p/342705.jpg

Unable to answer "This shop has been vacant. What’s here now?" – node/5158087367 via StreetComplete 61.2:

Part of Perfect Meat Bowl; no longer separate shop

There are benches here

via StreetComplete 63.0

Attached photo(s):
https://streetcomplete.app/p/342704.jpg

"Has been replaced with a different store"
The place has gone or never existed. A user of Organic Maps application has reported that the POI was visible on the map (see snapshot date below), but was not found on the ground.
OSM snapshot date: 2024-06-13T18:38:33Z
POI name: Allo Allo Wireless
POI types: craft-electronics_repair shop-mobile_phone
#organicmaps android

onosm.org submitted note from a business:
Name: Pest Removal
addr:housenumber=60
addr:street=Holmwood Avenue
addr:city=Оттава
Phone number: +1 613 801 5069
Website: https://pestremovalexperts.ca
Opening Hours: Mo-Fr 9am-4pm
Wheelchair accessibility: no
Category: Pest Control
Accepted payment methods: Cash,Wire transfer,American Express,Mastercard,Visa
takeaway=no

New building here, and a sidewalk bumpout

via StreetComplete_ee 61.1

ESS Central

James St has been reopened after roadworks

Unable to answer "Are these opening hours still correct?" – Lainey's Luck (Thrift Store) – node/5866624789 via StreetComplete 63.0:

Renovating/rebranding. Not open at all at the moment