MARINE NOTICE, No. 13 of 2024

Clarendon Lock © esri
Clarendon Lock © esri

MARINE NOTICE, No. 13 of 2024

Shannon Navigation

Clarendon Lock, Knockvicar, Boyle, Co. Roscommon

Closure on Wednesday 28th February from 0900 – 1700 hrs due to ESB outage

Waterways Ireland wishes to advise all masters of vessels and users that Clarendon Lock, Knockvicar, Co. Roscommon will be closed on Wednesday 28th February from 0900 – 1700hrs, due to a planned ESB power outage in the area.
Waterways Ireland regrets any inconvenience that this may cause and thanks its customers for their co-operation in relation to this matter.

P Harkin, Inspector of Navigation, Waterways Ireland

Clarendon Lock; © wasserrausch
Link to Clarendon Lock; © wasserrausch

Shannon Navigation, Clarendon Lock, Knockvicar, Boyle, Co. Roscommon
Schließung am Mittwoch, den 28. Februar von 0900 – 1700 Uhr wegen eines ESB-Ausfalls
Waterways Ireland möchte alle Schiffskapitäne und Benutzer darauf hinweisen, dass die Clarendon Lock, Knockvicar, Co. Roscommon, am Mittwoch, den 28. Februar von 0900 bis 1700 Uhr wegen eines geplanten Stromausfalls des ESB in diesem Gebiet geschlossen wird.
Waterways Ireland bedauert alle Unannehmlichkeiten, die dadurch entstehen können, und dankt seinen Benutzern für ihre Kooperation in dieser Angelegenheit.

MARINE NOTICE 022 of 2015

Clarendon Lock © esri
Clarendon Lock © esri

MARINE NOTICE, No 22 of 2015

Shannon Navigation

Clarendon Lock Knockvicar Co. Roscommon

Improvement Works

Waterways Ireland wishes to advise masters and owners of vessels that paving, ducting and surfacing upgrade works will be carried out at Clarendon Lock from 13th April 2015 for approximately three weeks and disruption may be experienced during this time.

Waterways Ireland regrets any inconvenience that this may cause its customers.

C.J.Lawn, Inspector of Navigation, 30 Mar 2015

Clarendon Lock; © esri; "Wasserrausch Travellog"
Clarendon Lock; © esri

MARINE NOTICE 039 of 2014

Lough-Key;© esri; click to "Lough-Key ArcGis Map"
Lough-Key;© esri

Shannon Navigation

Boyle, Lough Key,



and Battlebridge Moorings

Precautionary Notice to Boil Water Before Use

Waterways Ireland has confirmed with  Roscommon Co.Co that the advice below remains in force at this time.
Roscommon County Council wishes to advise consumers in the areas served by the Boyle and Boyle/Ardcarne Regional Water Supply Scheme that as a precautionary measure to boil water before use until further notice.
The areas affected include Killaraght, Rockingham, Knockvicar, Cootehall, Tarmon Road, Kiltycreighton, Crossna, Derrycashel, Moigh,  Carrigeenroe, Battlebridge  and Ardcarne.
It is essential that people in the affected areas boil any water intended for drinking or food preparation.  If you are unsure of the source of your water supply, you should boil your water as a precautionary measure.

Water should be boiled for the following purposes:

    • Drinking
    • Drinks made with water
    • Preparation of salads and similar foods, which are not cooked prior to eating
    • Brushing of teeth
    • Making of ice (discard ice cubes in fridge/freezers).

Un-boiled water should not be used for these purposes.
Un-boiled water can be used for personal hygiene, bathing and flushing of toilets but not for brushing teeth or gargling
TO BOIL WATER: Boil water until rolling, then allow to cool.  Cover and store in a refrigerator or cold place.  Water from the hot tap is not safe to drink.  Domestic water filters will not render water safe to drink.  Discard ice cubes in fridges and freezers and any filtered water in fridges.  Make ice from cooled boiled water.
Use water prepared for drinking when preparing foods that will not be cooked (e.g. washing salads, fruit and vegetables to be consumed uncooked)
Prepare baby feeds with water that has been brought to the boil once and cooled.  Do not use water that has been reboiled several times.  Do not use bottled mineral water as most brands contain concentrations of minerals that are too high for babies.
The ‚Boil Water Notice’ will be lifted when the water supply is considered to be safe.
Further Information is available at
You can sign up for free Council SMS and e-mail alerts at
Boyle Ardcarn Map.pdf (size 7.6 MB)
Boyle Ardcarne Water Contamination at 17 May 2013.pdf (size 28.5 KB)
Roscommon County Council regrets the inconvenience to the public.
Issued Monday 13 May 2013
Updated 17th May 2013

Charles Lawn Lt Cdr( rtd), Inspector of Navigation, 2 May 2014

Lough Key Castle Island
Lough Key Castle Island