OSTDS - Basic Concepts 1 & 2
2025/2026 Exam Questions and Answers
| A+ Score Assured
Advantages and importance of OSTDS (6) - 🧠ANSWER ✔✔- simple and
effective
- minimal moving parts
- Less environmentally disruptive installation
- treatment alternative to central sewer systems
- groundwater recharge
- relatively low cost
Reality of OSTDS (2) - 🧠ANSWER ✔✔- no longer considered temporary
installations
- permanent approaches
Onsite systems are viable if properly...(5) - 🧠ANSWER ✔✔- planned
- designed
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
1
, - installed
- operated
- maintained
Approximate number of Florida septic systems - 🧠ANSWER ✔✔2.67 million
Florida housing units - 🧠ANSWER ✔✔8.8 million
FOG (stands for) - 🧠ANSWER ✔✔Fats, Oils and Greases - constituents in
waste water
FOG problems (3) - 🧠ANSWER ✔✔clog system
Increases odors
increases BOD
BOD [C] - 🧠ANSWER ✔✔420 mg/L
Escherichia coli causes... - 🧠ANSWER ✔✔gastroenteritis
Salmonella causes... - 🧠ANSWER ✔✔Salmonellosis
Vibrio cholerae causes - 🧠ANSWER ✔✔cholera
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
2
2025/2026 Exam Questions and Answers
| A+ Score Assured
Advantages and importance of OSTDS (6) - 🧠ANSWER ✔✔- simple and
effective
- minimal moving parts
- Less environmentally disruptive installation
- treatment alternative to central sewer systems
- groundwater recharge
- relatively low cost
Reality of OSTDS (2) - 🧠ANSWER ✔✔- no longer considered temporary
installations
- permanent approaches
Onsite systems are viable if properly...(5) - 🧠ANSWER ✔✔- planned
- designed
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
1
, - installed
- operated
- maintained
Approximate number of Florida septic systems - 🧠ANSWER ✔✔2.67 million
Florida housing units - 🧠ANSWER ✔✔8.8 million
FOG (stands for) - 🧠ANSWER ✔✔Fats, Oils and Greases - constituents in
waste water
FOG problems (3) - 🧠ANSWER ✔✔clog system
Increases odors
increases BOD
BOD [C] - 🧠ANSWER ✔✔420 mg/L
Escherichia coli causes... - 🧠ANSWER ✔✔gastroenteritis
Salmonella causes... - 🧠ANSWER ✔✔Salmonellosis
Vibrio cholerae causes - 🧠ANSWER ✔✔cholera
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
2
