Four Roscommon Regional Water Supply

The Four Roscommon RWSS DBO Contract involves the design, construction and operation and maintenance of 5 No. Water Treatment Plants ranging in size from 61m3/hr to 318m3/hr. The Contract includes a 20 year Operation and Maintenance period for the 5 No. WTPs.

The Contract included 5 No. Water Treatment Plant within Four Regional Water Supply Schemes, as follows:

  • South Roscommon Regional Water Supply Scheme (SRRWSS)  Lisbrock and Killeglan WTPs.
  • Roscommon Central Regional Water Supply Scheme (RCRWSS)  Ballinagard WTP.
  • Boyle Ardcarne Regional Water Supply Scheme (BARWSS) Rockingham WTP.
  • Arigna Regional Water Supply Scheme (ARWSS) Ballyfarnon WTP.

The general scope of works and objective of the Contract is outlined as follows:

  • Development of the production wells/springs including chambers, pumps, rising mains to the WTP and associated telemetry.
  • The development of Hughestown wellfield including the production wells & chambers, control building and pump house.
  • The provision of five Water Treatment Plants and associated water pumping facilities in four out of five WTPs.
  • To provide appropriate barriers to Cryptosporidium in accordance with the EPA Water Treatment Manual: Disinfection, published in November 2011; and to reduce the risk of Cryptosporidium to low risk level in accordance with the EPA Cryptosporidium Risk Assessment Methodology.
  • The treatment and disposal of any sludge and wastes generated.
  • The provision of a booster pumping station at Rockhill (ARWSS).
  • Instrumentation and telemetry, metering and sampling equipment.
  • Review and upgrading of existing infrastructure.
  • To design & build water level instrumentation, outlet bulk meter and outlet sampling on the distribution outlet from the existing Reservoirs.
  • The interim operation and maintenance of these facilities during DB Phase.
  • Operation and maintenance of existing and new facilities for a 20 year O&M period.
  • Operation and maintenance of some rising mains, constructed by others, for the 20 years operation and maintenance period.


Roscommon County Council

Client Representatives

JB Barry and Partners Ltd and Jennings O’Donovan & Partners


April 2014 – May 2016

Contract Value

€ 10 600 000


Various locations in County Roscommon


November 28, 2009