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Wastewater Treatment

Domestic Commercial and municipal Percolation and tertiary

Long term and energy efficient wastewater treatment plants

Molloy design, manufacture, commission, monitor and maintain a wastewater system suited to your development.

Throughout Ireland each year, Molloy systems treat billions of litres of wastewater.

Commercial wastewater treatment plant installation Molloy wastewater treatment system for commercial use Large-scale wastewater treatment tank by Molloy

Chieftain SBR wastewater system

Certified to En12566-3 and SR-66, set out below are our Chieftain commercial SBR range with designs of up to 50P.E. (population equivalent). Larger scale or bespoke systems to suit non-standard projects, are custom designed for each application, and examples of these are included in the 'tailored' section on this page.

50 P.E. Chieftain SBR

Wastewater treatment system - 50 P.E.
Population equivalent:
50 P.E.
Max hydraulic load:
7500 litres/day
Max organic load:
3000 gBOD5/day
Primary chamber capacity:
6000 litres
Buffer chamber capacity:
5350 litres
Drawing ID:
C_SBR_50PE_090420
Technical drawing Get quotation

41 P.E. Chieftain SBR

Wastewater treatment system - 41 P.E.
Population equivalent:
41 P.E.
Max hydraulic load:
6150 litres/day
Max organic load:
2460 gBOD5/day
Primary chamber capacity:
3920 litres
Buffer chamber capacity:
3330 litres
Drawing ID:
C_SBR_41PE_P1_090420
Technical drawing Get quotation

30 P.E. Chieftain SBR

Wastewater treatment system - 30 P.E.
Population equivalent:
30 P.E.
Max hydraulic load:
4500 litres/day
Max organic load:
1800 gBOD5/day
Primary chamber capacity:
3920 litres
Buffer chamber capacity:
3330 litres
Drawing ID:
C_SBR_30PE_P1_090420
Technical drawing Get quotation

24 P.E. Chieftain SBR

Wastewater treatment system - 24 P.E.
Population equivalent:
24 P.E.
Max hydraulic load:
3600 litres/day
Max organic load:
1440 gBOD5/day
Primary chamber capacity:
2780 litres
Buffer chamber capacity:
2300 litres
Drawing ID:
C_SBR_24PE_P1_090420
Technical drawing Get quotation

20 P.E. Chieftain SBR

Wastewater treatment system - 20 P.E.
Population equivalent:
20 P.E.
Max hydraulic load:
3000 litres/day
Max organic load:
1200 gBOD5/day
Primary chamber capacity:
2820 litres
Buffer chamber capacity:
3000 litres
Drawing ID:
C_SBR_20PE_P1_090420
Technical drawing Get quotation

17 P.E. Chieftain SBR

Wastewater treatment system - 17 P.E.
Population equivalent:
17 P.E.
Max hydraulic load:
2550 litres/day
Max organic load:
1020 gBOD5/day
Primary chamber capacity:
2800 litres
Buffer chamber capacity:
1120 litres
Drawing ID:
C_SBR_17PE_P1_070420
Technical drawing Get quotation

14 P.E. Chieftain SBR

Wastewater treatment system - 14 P.E.
Population equivalent:
14 P.E.
Max hydraulic load:
2100 litres/day
Max organic load:
840 gBOD5/day
Primary chamber capacity:
2820 litres
Buffer chamber capacity:
2300 litres
Drawing ID:
C_SBR_14PE_P1_090420
Technical drawing Get quotation

Large scale wastewater projects

Molloy provide a range of larger wastewater treatment systems for projects greater than 50 P.E. Our experienced engineers design these systems to suit your site needs using our precast concrete tanks, and unrivalled wastewater expertise. Get in touch to speak with an engineer about your project. Set out below are examples of larger systems.

450 P.E. MOLLOY

Wastewater treatment system - 450 P.E.
Population equivalent:
450 P.E.
Max hydraulic load:
67500 litres/day
Max organic load:
27000 gBOD5/day
Primary chamber capacity:
71400 litres
Buffer chamber capacity:
35000 litres
Drawing ID:
TS-R-007-130520
Technical drawing Get quotation

200 P.E. MOLLOY

Wastewater treatment system - 200 P.E.
Population equivalent:
200 P.E.
Max hydraulic load:
30000 litres/day
Max organic load:
12000 gBOD5/day
Primary chamber capacity:
23150 litres
Buffer chamber capacity:
22800 litres
Drawing ID:
TS-R-005-110220
Technical drawing Get quotation

100 P.E. MOLLOY

Wastewater treatment system - 100 P.E.
Population equivalent:
100 P.E.
Max hydraulic load:
15000 litres/day
Max organic load:
6000 gBOD5/day
Primary chamber capacity:
16200 litres
Buffer chamber capacity:
15600 litres
Drawing ID:
TS-Q-006-130520
Technical drawing Get quotation

Large and municipal wastewater projects

Molloy Environmental Systems specialise in tailor designing wastewater treatment systems to suit non-standard applications. Some examples include; nursing homes, factories, wedding venues, service stations etc. We tailor buffer tank storage to spread shock loads over a longer period, Reactor sizes to suit high organic loadings and general layouts to suit difficult sites.

Featured Molloy projects

Full solutions for WwPS & WwTP—from design and manufacture to on-site installation and commissioning,
demonstrating our complete MEICA design and build expertise.

Wastewater Pumping Station Kildare Town, Co. Kildare

Flow rate:
6.33 l/s
Rising main:
375 m
Usable storage:
Location:
Kildare Town, Co. Kildare
No. of houses:
73
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Ardee, Co. Louth

Flow rate:
5 l/s
Rising main:
300 m
Usable storage:
Location:
Ardee, Co. Louth
Cuirt na gCloch

Wastewater Pumping Station Rosslare Europort, Co. Wexford

Flow rate:
4.29 l/s
Usable storage:
Location:
Rosslare Europort, Co. Wexford
No. of houses:
Industrial
Rosslare

Wastewater Treatment Plant Furbo, Co. Galway

Size:
132 P.E.
Application:
Housing / Municipal
Location:
Furbo, Co. Galway

Wastewater Pumping Station Strandhill, Co. Sligo

Flow rate:
8.84 l/s
Rising main:
730 m
Usable storage:
Location:
Strandhill, Co. Sligo
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Oranmore, Co. Galway

Flow rate:
8.29 l/s
Rising main:
237 m
Usable storage:
Location:
Oranmore, Co. Galway
No. of houses:
212
Moneyduff

Wastewater Treatment Plant Kiltullagh, Co. Galway

Size:
700 P.E.
Application:
Motorway plaza
Location:
Kiltullagh, Co. Galway
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Ennis, Co. Clare

Flow rate:
8.38 l/s
Rising main:
121 m
Usable storage:
Location:
Ennis, Co. Clare
No. of houses:
51
Cluain Greine

Wastewater Pumping Station Fruithill, Co. Carlow

Flow rate:
6 l/s
Rising main:
440 m
Usable storage:
Location:
Fruithill, Co. Carlow

Wastewater Pumping Station Baldonnell, Co. Dublin

Flow rate:
5.29 l/s
Rising main:
44 m
Usable storage:
Location:
Baldonnell, Co. Dublin
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Clane, Co. Kildare

Flow rate:
6.09 l/s
Rising main:
280 m
Usable storage:
Location:
Clane, Co. Kildare
No. of houses:
180
Capdoo

Wastewater Pumping Station Limerick, Co. Limerick

Flow rate:
4.1 l/s
Rising main:
5 m
Usable storage:
Location:
Limerick, Co. Limerick

Wastewater Treatment Plant Brittas Bay, Co. Wicklow

Size:
1320 P.E.
Application:
Housing / Municipal
Location:
Brittas Bay, Co. Wicklow
Potters Point

Wastewater Pumping Station Carrickmacross, Co. Monaghan

Flow rate:
5.3 l/s
Rising main:
505 m
Usable storage:
Location:
Carrickmacross, Co. Monaghan
Wardglade Development

Wastewater Pumping Station Glentire, Co. Wexford

Flow rate:
4.58 l/s
Rising main:
110 m
Usable storage:
Location:
Glentire, Co. Wexford
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Bishopstown, Co. Cork

Flow rate:
14.3* l/s
Rising main:
180 m
Usable storage:
Location:
Bishopstown, Co. Cork
No. of houses:
2540PE*
Ardarostig
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Lifford, Co. Donegal

Flow rate:
5.5* l/s
Rising main:
359 m
Usable storage:
Location:
Lifford, Co. Donegal
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Bandon, Co. Cork

Flow rate:
5.39 l/s
Rising main:
141 m
Usable storage:
Location:
Bandon, Co. Cork
Old Chapel Housing

Wastewater Treatment Plant Omagh, Co. Tyrone

Size:
100 P.E.
Application:
Nursing home
Location:
Omagh, Co. Tyrone
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Enfield, Co. Meath

Flow rate:
8.2 l/s
Rising main:
634 m
Usable storage:
Location:
Enfield, Co. Meath
No. of houses:
321
Johnstown Rd Housing

Wastewater Pumping Station Cahir, Co. Tipperary

Flow rate:
7.2 l/s
Rising main:
107 m
Usable storage:
Location:
Cahir, Co. Tipperary
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Ballinasloe, Co. Galway

Flow rate:
5.68 l/s
Rising main:
35 m
Usable storage:
Location:
Ballinasloe, Co. Galway
Limehill

Wastewater Treatment Plant Ballyfin, Co. Laois

Size:
375 P.E.
Application:
Hotel
Location:
Ballyfin, Co. Laois
Ballyfin House
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Carrigaline, Co. Cork

Flow rate:
15.4 l/s
Rising main:
530 m
Usable storage:
Location:
Carrigaline, Co. Cork
No. of houses:
1002
Janville

Wastewater Treatment Plant Craughwell, Co. Galway

Size:
327 P.E.
Application:
Housing / Municipal
Location:
Craughwell, Co. Galway

Wastewater Pumping Station Malahide, Co.Dublin

Flow rate:
7.5 l/s
Rising main:
1230 m
Usable storage:
Location:
Malahide, Co.Dublin
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Tullamore, Co. Offaly

Flow rate:
6.58 l/s
Rising main:
196 m
Usable storage:
Location:
Tullamore, Co. Offaly
Kearneys Drive

Wastewater Pumping Station Clarinbridge, Co. Galway

Flow rate:
4.81 l/s
Rising main:
400 m
Usable storage:
Location:
Clarinbridge, Co. Galway
No. of houses:
85

Wastewater Treatment Plant Moneygall, Co. Offaly

Size:
750 P.E.
Application:
Village. Low energy PFBR (Pumped Flow Bioflim Reactor) technology
Location:
Moneygall, Co. Offaly
Moneygall

Wastewater Pumping Station Riverstick, Co. Cork

Flow rate:
5.49 l/s
Rising main:
30 m
Usable storage:
Location:
Riverstick, Co. Cork
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Mulgannon, Co. Wexford

Flow rate:
5.59 l/s
Rising main:
185 m
Usable storage:
Location:
Mulgannon, Co. Wexford
Roxborough Manor

Wastewater Treatment Plant Spanish Point, Co. Clare

Size:
320 P.E.
Application:
Large hotel and venue
Location:
Spanish Point, Co. Clare
Armada Hotel
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Knocklong, Co. Limerick

Flow rate:
4.96 l/s
Rising main:
115 m
Usable storage:
Location:
Knocklong, Co. Limerick
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Tullamore, Co. Offaly

Flow rate:
5.51 l/s
Rising main:
55 m
Usable storage:
Location:
Tullamore, Co. Offaly
Jackson’s Hill

Wastewater Pumping Station Kinnegad, Co. Westmeath

Flow rate:
6 l/s
Rising main:
530 m
Usable storage:
Location:
Kinnegad, Co. Westmeath

Wastewater Treatment Plant Craughwell, Co. Galway

Size:
160 P.E.
Application:
Housing / Municipal
Location:
Craughwell, Co. Galway

Wastewater Pumping Station Swords, Co. Dublin

Flow rate:
5.79 l/s
Rising main:
200 m
Usable storage:
Location:
Swords, Co. Dublin

Wastewater Pumping Station Naul, Co. Dublin

Flow rate:
7.27 l/s
Rising main:
290 m
Usable storage:
Location:
Naul, Co. Dublin
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Wexford, Co. Wexford

Flow rate:
7.53 l/s
Rising main:
182 m
Usable storage:
Location:
Wexford, Co. Wexford
No. of houses:
70
Whiterock Housing

Wastewater Treatment Plant Kilcullen, Co. Kildare

Size:
698 P.E.
Application:
Motorway plaza
Location:
Kilcullen, Co. Kildare
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Drogheda, Co. Louth

Flow rate:
7.64 l/s
Rising main:
562 m
Usable storage:
Location:
Drogheda, Co. Louth
No. of houses:
250
Bryanstown

Wastewater Treatment Plant Ballon, Co. Carlow

Size:
483 P.E.
Application:
Public parks
Location:
Ballon, Co. Carlow

Wastewater Treatment Plant Waterfall, Co. Cork

Size:
250 P.E.
Application:
Housing / Municipal
Location:
Waterfall, Co. Cork
Waterfall

Wastewater Pumping Station Galway city, Co. Galway

Flow rate:
34.01 l/s
Rising main:
730 m
Usable storage:
Location:
Galway city, Co. Galway
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Kilkenny, Co. Kilkenny

Flow rate:
4.24 l/s
Rising main:
365.5 m
Usable storage:
Location:
Kilkenny, Co. Kilkenny

Wastewater Treatment Plant Athlone, Co. Westmeath

Size:
698 P.E.
Application:
Motorway plaza
Location:
Athlone, Co. Westmeath
Circle K Athlone
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Swords, Co. Dublin

Flow rate:
7 l/s
Rising main:
75 m
Usable storage:
Location:
Swords, Co. Dublin

Wastewater Treatment Plant Rahan, Tullamore, Co. Offaly

Size:
130 P.E.
Application:
School
Location:
Rahan, Tullamore, Co. Offaly

Wastewater Pumping Station Kill, Co. Kildare

Flow rate:
9 l/s
Rising main:
1700 m
Usable storage:
Location:
Kill, Co. Kildare

Wastewater Treatment Plant Shannonbridge, Co. Offaly

Size:
500 P.E.
Application:
Village. Low energy PFBR (Pumped Flow Bioflim Reactor) technology
Location:
Shannonbridge, Co. Offaly
Shannonbridge
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Tallaght, Co. Dublin

Flow rate:
5.14 l/s
Rising main:
90 m
Usable storage:
Location:
Tallaght, Co. Dublin

Wastewater Treatment Plant Tinryland, Co. Carlow

Application:
Factory
Location:
Tinryland, Co. Carlow

Wastewater Pumping Station Tinakilly, Co. Wicklow

Flow rate:
1.4 l/s
Rising main:
180 m
Usable storage:
Location:
Tinakilly, Co. Wicklow

Wastewater Treatment Plant Ganderstown, Termonfeckin, Co. Louth

Size:
417 P.E.
Application:
Caravan park
Location:
Ganderstown, Termonfeckin, Co. Louth
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Bloodmill Road, Co. Limerick

Flow rate:
8.58 l/s
Rising main:
555 m
Usable storage:
Location:
Bloodmill Road, Co. Limerick
No. of houses:
239
Bloodmill Rd Houses
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Portlaoise, Co. Laois

Flow rate:
5.3 l/s
Rising main:
194 m
Usable storage:
Location:
Portlaoise, Co. Laois
No. of houses:
60
Higgs Lane

Wastewater Pumping Station Dromcollogher, Co. Limerick

Flow rate:
3.72 l/s
Rising main:
500 m
Location:
Dromcollogher, Co. Limerick

Wastewater Treatment Plant Drumbaun, Co. Tipperary

Size:
666.7 P.E.
Application:
Motorway plaza
Location:
Drumbaun, Co. Tipperary
Obama Plaza

Wastewater Treatment Plant Athenry, Co. Galway

Size:
1800 P.E.
Application:
Mart
Location:
Athenry, Co. Galway

Wastewater Pumping Station New Ross, Co. Wexford

Flow rate:
5.83 l/s
Rising main:
300 m
Usable storage:
Location:
New Ross, Co. Wexford
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Tuam, Co. Galway

Flow rate:
5.7 l/s
Rising main:
126 m
Usable storage:
Location:
Tuam, Co. Galway
No. of houses:
49
Fanna Bui

Wastewater Treatment Plant Ballyvourney, Co. Cork

Size:
833.33 P.E.
Application:
Factory
Location:
Ballyvourney, Co. Cork
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Portarlington, Co. Laois

Flow rate:
4.96 l/s
Rising main:
170 m
Usable storage:
Location:
Portarlington, Co. Laois
Droughhill Housing

Wastewater Treatment Plant Gormanstown, Co. Meath

Size:
366 P.E.
Application:
Nursing Home
Location:
Gormanstown, Co. Meath
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Navan, Co. Meath

Flow rate:
7.87 l/s
Rising main:
134 m
Usable storage:
Location:
Navan, Co. Meath
No. of houses:
81
Boyne Rd Housing
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Kinsale, Co. Cork

Flow rate:
9.79 l/s
Rising main:
316 m
Usable storage:
Location:
Kinsale, Co. Cork
No. of houses:
600
Abbeyfort
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Clonee, Co. Meath

Flow rate:
4.17 l/s
Rising main:
169 m
Usable storage:
Location:
Clonee, Co. Meath
No. of houses:
79
Aylesbury

Wastewater Pumping Station Cloughran, Co. Dublin

Flow rate:
4 l/s
Rising main:
1200 m
Usable storage:
Location:
Cloughran, Co. Dublin

Wastewater Treatment Plant Clarinbridge, Co. Galway

Size:
120 P.E.
Application:
Housing / Municipal
Location:
Clarinbridge, Co. Galway

Wastewater Treatment Plant Bruff, Co. Limerick

Size:
125 P.E.
Application:
Nursing home
Location:
Bruff, Co. Limerick
Uisce Éireann Spec.
Uisce Éireann Spec.

Wastewater Pumping Station Rathnew, Co. Wicklow

Flow rate:
7.01 l/s
Rising main:
150 m
Usable storage:
Location:
Rathnew, Co. Wicklow

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