Trust and Confidence Report

Wastewater Collection and Treatment Profile

This service is responsible for the collection and treatment of wastewater from all properties within Hamilton that are connected to municipal sewers. This includes all support activities that are performed in order to achieve this service. 

Service Details

Related Subservices

  • Wastewater Collection
  • Wastewater Support Services
  • Wastewater Treatment

Type of Service

  • Public facing

Rationale

  • Essential/Mandatory, Legislated requirement

Primary Funding Sources

  • Rate Budget

Service Level

  • At standard

Service Level Source

  • Legislated

 

Performance Measures

2019


How much did you do? (volume)

  • Wastewater collected and treated at wastewater treatment plants (Woodward and Dundas WWTP): 147,081 ML
  • Operating facilities maintained (Wastewater Pumping Stations and CSO Tanks): 80
  • Biosolids processed and removed: 43,835 tonnes
  • Preventative Maintenance work orders for vertical infrastructure: 2184
  • Sewers lined: 15.59 km
  • Sewer laterals repaired / replaced: 972
  • 63.1 km of sewer lines per year undergone sewer line flushing in known problem areas
  • 535 backwater valves installed and $808,094 was spent as part of the Protective Plumbing Program
  • 49,060 Process Control and Regulatory Wastewater tests conducted

How well did we do it?

  • 31 months continuous compliance (Mar 2015 – Dec 2019) with effluent regulatory parameters at Dundas Wastewater Treatment Plant.
  • 58 months continuous compliance (June 2017 – Dec 2019) with effluent regulatory parameters at Woodward Wastewater Treatment Plant.
  • 100 % Emergency repairs for sewer lateral repairs/replacements completed within 4 days

Is anyone better off?

  • 514,144 Kg Phosphorus (P) and 3,390,675 Kg Nitrogen (TKN) removed in 2019 from the Woodward Wastewater and Dundas Wastewater Treatment Plant’s.
  • In 2019, responded to 528 service calls for sewer lateral backups.
  •   In 2019 Hamilton Water celebrated the 100th anniversary of the Dundas Wastewater Treatment Plant, which currently holds “x” months of continuous compliance.

How much did you do? (volume)

  • Wastewater collected and treated at wastewater treatment plants (Woodward and Dundas WWTP): 121,976 ML
  • Operating facilities maintained (Wastewater Pumping Stations and CSO Tanks): 80
  • Biosolids processed and removed: 37,773 tonnes
  • Preventative Maintenance work orders for vertical infrastructure: 2080
  • Sewers lined: 11.36 km
  • Sewer laterals repaired / replaced: 1188
  • 83.6 km of sewer lines per year undergone sewer line flushing in known problem areas
  • 482 backwater valves installed and $875,688 was spent as part of the Protective Plumbing Program
  • 45,401 Process Control and Regulatory Wastewater tests conducted

How well did we do it?

  • 46 month continuous compliance (Mar 2015 – Dec 2018) with effluent regulatory parameters at Dundas Wastewater Treatment Plant.
  • 19 month continuous compliance (June 2017 – Dec 2018) with effluent regulatory parameters at Woodward Wastewater Treatment Plant.
  • 100 % Emergency repairs for sewer lateral repairs/replacements completed within 4 days 

Is anyone better off?

  • 533,344 Kg Phosphorus (P) and 3,383,167 Kg Nitrogen (TKN) removed in 2018 from the Woodward Wastewater and Dundas Wastewater Treatment Plant’s.
  • In 2018, responded to 753 service calls for sewer lateral backups.
  •   On November 19th celebrated Hamilton’s first World Toilet day event. The event was a major success and $12,000 was raised to support sanitation challenges in developing countries where 4.5B people do not have access to proper sanitation leading to sickness and death.

How much did you do? (volume)

  • Wastewater collected and treated at wastewater treatment plants (WWTP): 131,134 ML
    • 126,251 ML via the Woodward WWTP and 4,883 ML via the Dundas WWTP
  • Operating facilities maintained: 79
  • Biosolids processed and removed: 39,351 tonnes
  • Preventative Maintenance work orders for vertical infrastructure: 1,720
  • Sanitary and combined sewers maintained: 1,983 km
  • Sanitary sewers lined and replaced: 16.7 km
  • Sewer laterals inspected and replaced: 1,272
  • Electricity produced from the biogas cogeneration unit: 9,658 MWH 
  • 30 km of sewer lines per year undergone proactive sewer line flushing in known problem areas
  • 681 backwater valves installed and $999,768 was spent as part of the Protective Plumbing Program
  • 44,386 Process Control and Regulatory Wastewater tests conducted

How well did you do it? (Quality)

  • 1 exceedance reported as part of regulatory requirements for effluent from Woodward and Dundas
  • No non-compliance with ECAs or Regulating Legislation in 2016
  • 70% of biosolids land applied
  • 1,753 work orders to support the treatment of wastewater
  • Emergency repairs for sewer lateral repair/replacement complete within 4 days (target 100% of the time): 89%

Is anyone better off? (Impact)

  • Consistently achieved 24/7 uninterrupted, reliable service and operation of the collection system for the customer.
  • Following a 2017 Service Lateral Management Program Customer Service Survey, 84.61%  of responders were pleased with the program and the service
  • Following a 2017 Protective Plumbing Program (3P) Customer Service Survey, 95.75%  of responders were satisfied with the customer service provided by City representatives

How much did you do? (volume)

  •  Wastewater collected and treated at wastewater treatment plants (WWTP): 111,503 ML
    • 106,451 ML via the Woodward WWTP and 5,051 ML via the Dundas WWTP
  • Operating facilities maintained: 79
  • Biosolids processed and removed: 38,252 tonnes
  • Preventative Maintenance work orders for vertical infrastructure: 1753
  • Sanitary and combined sewers maintained: 1983 km
  • Sanitary sewers cleaned and inspected: 68.6 km
  • Mainline sewer blockages repaired: 8
  • Sewer laterals inspected and replaced: 463
  • Electricity produced from the biogas cogeneration unit: 10,602 MWH