KDP categories · Top KDP authors
Water Environment Federation: Amazon KDP author data
As of Nov 6, 2026, Water Environment Federation has 22 books on Amazon, 13 of them on a best-seller list in the last 30 days (best rank #13), mostly in Waste Management, Water Supply & Land Use, Water Quality & Treatment.
| Median price | $115 |
|---|---|
| Price range (middle 50%) | $90.86 – $144 |
| Median reviews | 7 |
| Total reviews | 191 |
| New listings (30 days, incl. new editions) | 1 |
| Breakout books (30 days) | 0 |
What stands out
- 59% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $115, 186% above the median of their main category, Waste Management.
Water Environment Federation's best-ranked books
-
Wastewater Treatment Fundamentals II: Solids Handling and Support Systems
by Water Environment Federation
- Price$109
- Rating4.8
- Reviews23
-
Wastewater Treatment Fundamentals III- Advanced Treatment
by Water Environment Federation
- Price$136
- Rating4.2
- Reviews9
- Published2022-10
-
Wastewater Treatment Fundamentals I: Liquid Treatment
by Water Environment Federation
- Price$155
- Rating4.7
- Reviews51
-
Wastewater Collection System Operator Certification Studybook
by Water Environment Federation
- Price$89
- Rating4.1
- Reviews24
-
Wastewater Laboratory Analysts' Guide to Preparing for Certification Examination
by Water Environment Federation
- Price$90.86
- Rating4.1
- Reviews8
-
Wastewater Treatment Fundamentals II-- Solids Handling and Support Systems Operator Certification Study Questions
by Water Environment Federation
- Price$115
- Rating5.0
- Reviews3
-
Wastewater Treatment Fundamentals I, Liquid Treatment
by Water Environment Federation
- Price$127
- Rating5.0
- Reviews2
- Published2025-01
-
Wastewater Treatment Fundamentals III- Advanced Treatment Operator Certification Study Questions
by Water Environment Federation
- Price$115
- Rating4.0
- Reviews1
-
Wastewater Treatment Fundamentals I―Liquid Treatment Operator Certification Study Questions
by Water Environment Federation
- Price$115
- Rating5.0
- Reviews1
-
Biofilm Reactor, MOP 35
by Water Environment Federation
- Price$144
- Reviews-
Main categories
FAQ
How many books does Water Environment Federation have on Amazon?
KDPTop tracks 22 of their books; 13 made an Amazon list in the last 30 days.
Which categories does Water Environment Federation publish in?
Their books chart most often in Waste Management, Water Supply & Land Use, Water Quality & Treatment.
How does Water Environment Federation price their books?
The median price is $115; half of the books cost $90.86–$144.
Has Water Environment Federation released new books recently?
1 new book in the last 30 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.