Learning About Safety in Wastewater Treatment Plants

Establishing, following, and training for rigorous safety protocols is critical to the successful operation of a wastewater treatment plant. Not every safety incident is as severe as the 2006 Bethune Point Wastewater Plant Explosion that’s detailed in the video above, but that incident is an effective example of how horribly wrong things can go when safety protocols are lax and safety training for operators is minimal.

If you are seeking to learn more about safety in the wastewater treatment industry, a good first stop would be the Occupational Safety and Health Administration (better known as OSHA), a division of the US Department of Labor. It was created by the Occupational Safety and Health Act of 1970, which also laid out a set of federal standards for workplace safety.

However, the act also allows individual states to submit and operate their own safety plans and requirements (which are generally fairly close to the federal plan anyway). State plans may cover all workers in a state, or may only cover state and local government workers only.

Here’s the breakdown of each state’s OSHA classification:

No state plan, follows federal OSHA plans:  
Alabama, American Samoa, Arkansas, Colorado, Delaware, Florida, Georgia, Guam, Idaho, Kansas, Louisiana, Mississippi, Missouri, Montana, Nebraska, New Hampshire, North Dakota, Northern Mariana Islands, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Dakota, Texas, Washington D.C., West Virginia, Wisconsin

OSHA state plans covering only state/local government workplaces:
Connecticut, Illinois, Maine, Massachusetts, New Jersey, New York, Virgin Islands

OSHA state plans covering private and state/local government workplaces:
Alaska, Arizona, California*, Hawai’i, Kentucky, Indiana, Iowa, Maryland, Michigan*, Minnesota, Nevada, New Mexico, North Carolina, Oregon*, Puerto Rico, South Carolina, Tennessee, Utah, Vermont, Virginia, Washington, Wyoming

*California, Michigan, and Oregon are the three states in which the state OSHA plans contain substantial differences from the federal OSHA plan.

Find more information about your state’s OSHA plan here >>
Find your state OSHA office here >>

If you are in need of assistance in identifying and/or fixing workplace safety issues, most states do have consultation services available for free as part of the On-Site Consultation Program. Other OSHA programs workplaces can participate in include the Alliance Program, the OSHA Strategic Partnership Program, the Voluntary Protection Programs, and the OSHA Challenge Program.

Read more about the OSHA cooperative programs here >>

A great introduction to OSHA and other safety regulations through the lens of wastewater treatment is this recorded webinar in the Environmental Finance Center Network’s wastewater operator certification series.

The main topics covered in the webinar include common hazards in wastewater treatment plants, personal protective equipment (PPE), confined space entry, equipment lockout/tagout procedures, hazardous chemical communication and safety data, excavation safety, and blood-borne pathogen standards.

Other common safety challenges to be cognizant of in wastewater treatment plants include slips and falls (due to the abundance of water in a facility), caught or crush hazards from moving machinery, and general good hygiene standards.

Finally, below is a sample of resources from our WaterOperator.org Resource Library covering safety in wastewater treatment. Search for others using our category and keyword filters!

• Safety Manual: Wastewater Treatment Plant Operation and Sewage Collection Systems
  • This 20-page manual from the Kentucky Public Service Commission covers safety practices for wastewater systems.
• Safety Issues in the Treatment Plant
  • This presentation from the 2017 National Association of Wastewater Technicians Conference goes through safety threats in wastewater treatment plants like chemical, atmospheric, & biological hazards; confined space; flammability; machine guarding; fall hazards; vehicle dangers; and PPE.  
• Wastewater Treatment Plant Safety & Health
  • This presentation given to the Wisconsin Chapter of the Central States Water Environment Association relates OSHA rules and standards to treatment plant operation and maintenance, and provides additional resources.
• Wastewater Safety
  • This presentation from the Kansas Department of Health and Environment reviews general hazards, discusses safety practices, and focuses most tightly on confined spaces, trenches, and PPE.
• Personal Protective Equipment: Respiratory Protection
  • This presentation from the Operator Training Committee of Ohio focuses on OSHA requirements for respiratory protection. Given in 2020, the presentation contains detailed guidance on types of masks and how to care for them.
• Electrical Safety & Arc Flash Awareness
  • This presentation from the Wisconsin Wastewater Operators Association details in great depth the few simple guidelines that are essential to maintaining personal safety when working with electrical hazards. Different types of hazards such as arc flashes and arc blasts are explained.
• General Safety in Lagoon Environments
  • This presentation given to the Michigan Water Environment Association explores the safety hazards of wastewater lagoons. These include confined spaces, oxygen deficiency/gases/vapors, pathogens, slips/falls/drowning, and even zika virus.

OSHA Requirements for Pumpers

It’s never a bad time for a refresh on the requirements of the Occupational Safety and Health Act (better known as OSHA). The act, passed in 1970, comprises a set of federal standards for workplace safety, but it also allows individual states to submit and operate their own safety plans and requirements. State plans may cover all workers in a state, or may only cover state and local government workers only. It is important to know which category your state falls under.

OSHA state plans covering private and state/local government workplaces:
Alaska, Arizona, California, Hawai’i, Kentucky, Indiana, Iowa, Maryland, Michigan, Minnesota, Nevada, New Mexico, North Carolina, Oregon, Puerto Rico, South Carolina, Tennessee, Utah, Vermont, Virginia, Washington, Wyoming

OSHA state plans covering only state/local government workplaces:
Connecticut, Illinois, Maine, Massachusetts, New Jersey, New York, Virgin Islands

No state plan, follows federal OSHA plans:  
Alabama, American Samoa, Arkansas, Colorado, Delaware, Florida, Georgia, Guam, Idaho, Kansas, Louisiana, Mississippi, Missouri, Montana, Nebraska, New Hampshire, North Dakota, Northern Mariana Islands, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Dakota, Texas, Washington D.C., West Virginia, Wisconsin

State plans often don’t differ drastically from the federal OSHA plan, but the states of California, Michigan, Oregon, and Washington do have plans with substantial differences from the federal one.

Find your state OSHA office here >>

If you are in need of assistance in identifying and/or fixing workplace safety issues, most states do have consultation services available for free as part of the On-Site Consultation Program. Other OSHA programs workplaces can participate in include the Alliance Program, the OSHA Strategic Partnership Program, the Voluntary Protection Programs, and the OSHA Challenge Program.

Read more about the OSHA cooperative programs here >>

Keep in mind that the supervisor or crew leader of an onsite/decentralized wastewater work crew will typically be the OSHA competent person (unless there is a different employee specifically assigned to oversee safety). Whoever is in charge of safety, they must be able to identify critical issues, know and follow OSHA requirements, enforce a written safety plan, and create a culture of safety for the workforce.

The top reasons for accidents include rushing, poor concentration, and simply being in the wrong place at the wrong time. A comprehensive safety plan can help address some of these causes and minimize damages after accidents do occur.

For more:

• A Pumper's Guide to Federal and State OSHA Standards, Pumper Magazine
• Focus on Safety: Installers Need to Make Safety a Priority, Onsite Installer
• Occupational Safety and Health Administration

Developing & Implementing a Cost Effective Water Utility Safety Program

Even with advances in smart water technology, any supervisor knows that a utility can't run without its dedicated staff. While workers take care of equipment operations, maintenance, billing, or customer service, it's the responsibility of the person in charge to ensure these duties are being carried out in a safe environment using appropriate precautions.

Water and wastewater utilities have a history of experiencing occupational injuries, illnesses, and fatalities (IIF) at a higher rate than most other occupations. The Bureau of Labor Statistic’s Incidence Rates - Detailed Industry Level table from each year’s Industry Injury and Illness Data Summary Tables has generally supported this trend. Their reports show the average non-fatal incident rate for the water and sewage industry has historically been higher than the industry average as a whole.

The data from this table was taken from the Bureau of Labor Statistics Incidence Rates- Detailed Industry Level for 2008 and 2017. (Click table to enlarge.)

The table above shows the rate of non-fatal injuries reported by the Bureau of Labor Statistics in 2008 and 2017. While any year can have variability, in 2008 the non-fatal injury incident rate was much higher than the industry average. In 2017 you can see that the average number of injuries has decreased since 2008 and is now closer to the industry average. These values don’t include the number of fatal injuries experienced by the water and wastewater industry, but as an overall trend, non-fatal injury reports to the Bureau of Labor Statistics support that the water industry has improved since the early and late 2000’s.

Types of Injuries
As utilities continue to prioritize and promote a safe work culture, we hope to reduce the frequency of incidents even further. There are many hazards that pose a risk to operator safety. The most frequent non-fatal water and wastewater injuries reported by the Bureau of Labor Statistics in 2017 were due to over exertion during lifting, being struck by a tool or object, and falls, slips, and trips. Water and wastewater utilities also have to manage the risks posed by confined spaces, electrical equipment, trenching, road safety, ladders, hazardous chemicals, blood borne pathogens, and more.

Safety Costs
According to Bureau Veritas’ presentation at the 2008 CSWEA Maintenance and Safety Seminar, the financial costs for water and wastewater injuries can be quite expensive. Budgeting for a good safety program will protect your employees and incur less expenses than the direct and indirect costs that result from a poor safety program.

Developing and Implementing a Safety Program
Since every system faces different hazards, your safety plan should be specific to your system hazards. To get started, the Occupational Safety and Health Administration (OSHA) recommends seven core elements for your system’s safety program: management leadership, worker participation, hazard identification and assessment, hazard prevention and control, education and training, program evaluation and improvement, and communication and coordination for host employers, contractors, and staffing agencies. OSHA’s Recommended Practices for Safety and Health Programs website provides an explanation of these elements in addition to a list of helpful tools, case studies, additional resources, and a download for the recommended practices guide.

We also encourage you to check out the Water Research Foundation’s Water Utility Safety and Health report to review safety program best practices and cost evaluations for various proactive and reactive programs. Once you’ve done your research, West Virginia Rural Association has developed an Injury and Illness Prevention Program template that systems can expand from.

Water System Specific Hazards
As you continue to promote safety in the work place remember that complacency is the adversary to injury and accident prevention. More specific  guidelines for electrical safety, traffic control, hazardous material communication, competent persons, confined space, chemical handling, chlorine exposure, fires, and waterborne disease can be found in Chapter 8 of the Alaska Department of Environmental Conservation’s Intro to Small Water Systems Correspondence Course. The OSHAcademy also offers a variety of water and wastewater specific safety training. If you have a different safety question, more resources are available at WaterOperator.org’s document library or under our blog post category Operator Safety.