New York · Collection Systems · Grade 3
New York Grade 3 Collection Systems Operator Exam
The New York Grade 3 collection systems certification is designated Grade 3 and issued by NYS Department of Health (drinking water); NYS Department of Environmental Conservation (wastewater). Advanced certification for shift leads and operators at larger systems with complex processes.
Applied math is a significant part of the New York Grade 3 exam.
Practicing calculations like dosage, detention time, and loading before test day is one of the most effective ways to prepare, alongside reviewing your state’s official exam content outline.
Exam facts
| Grade level | Grade 3 |
|---|---|
| Questions | 120 |
| Time limit | 180 minutes |
| Passing score | 70% |
| Difficulty | Advanced |
| Exam administered by | NYS DOH / DEC (in-house exams) |
Prerequisites for Grade 3
- Grade 2 certification
- 3–4 years of operating experience
- Some post-secondary coursework (varies by state)
Confirm exact requirements with NYS Department of Health (drinking water); NYS Department of Environmental Conservation (wastewater).
What's on the exam
- Gravity sewer design and maintenance
- Lift stations and force mains
- Inflow and infiltration (I&I)
- Sewer cleaning and CCTV inspection
- Manhole rehabilitation
- Confined space entry and safety
- Advanced process optimization
- Regulatory compliance strategy
The math on the Collection Systems exam
These calculations are commonly included in collection systems operator exam preparation and may appear on your exam depending on your certification level and state. Practicing them is one of the most effective ways to prepare.
- Pipe slope and velocity
- Wet well volume and pump cycle time
- Flow rate (Manning's equation basics)
- Pump horsepower
- Force main detention time
- Infiltration rate (gpd per inch-mile)
Free Grade 3 practice questions
Sample questions with full explanations at this level.
Take the practice quiz →Frequently asked questions
- What is the New York Grade 3 collection systems certification called?
- In New York, the Grade 3 collection systems certification is designated Grade 3, issued by NYS Department of Health (drinking water); NYS Department of Environmental Conservation (wastewater).
- How many questions are on the exam and what score do I need?
- The exam has about 120 questions with a 180-minute time limit, and you need 70% to pass. It is administered by NYS DOH / DEC (in-house exams).
- What are the prerequisites for Grade 3 in New York?
- Typical prerequisites: Grade 2 certification; 3–4 years of operating experience; Some post-secondary coursework (varies by state). Exact requirements are set by NYS Department of Health (drinking water); NYS Department of Environmental Conservation (wastewater).