Metro Nashville / W&S Wastewater Central Key
Agency file
The W&S Wastewater Central Key operates public utilities and infrastructure such as water, power, sanitation, or energy services.
In 2025, this agency had 77 employees with median total compensation of $62,286; the highest distinct record was $138,489.
What the records show
These summaries compare pay within the agency before listing individual records.
How 2025 total compensation is spread across the 77 employees. Each bar is a pay range; taller bars mean more people earn in that range. The amber line marks the median ($62,286) — half earn less, half more. The far-right bar collects the highest earners.
What an average paycheck here is made of — base salary versus overtime, other pay (bonuses, allowances), and benefits. A large overtime or other-pay share means take-home often exceeds base salary.
The pay ladder for this department. Someone at the 90th percentile earns $115,145 — more than 90% of the department; the 10th percentile earns $19,480. The shaded band is the middle half of employees (25th–75th percentile).
The most common job titles in this department by headcount, with the median total compensation for each. Click a title to see everyone who holds it.
Trend
How this department's total payroll, headcount, and median pay changed across the 11 published years.
| Year | Total payroll | Employees | Median pay |
|---|---|---|---|
| 2015 | $2.9M — | 54 — | $53,268 — |
| 2016 | $3.1M ▲ 7.2% | 56 ▲ 3.7% | $55,632 ▲ 4.4% |
| 2017 | $3.4M ▲ 7.9% | 53 ▼ 5.4% | $61,792 ▲ 11.1% |
| 2018 | $3.3M ▼ 1.8% | 54 ▲ 1.9% | $57,964 ▼ 6.2% |
| 2019 | $3.4M ▲ 2.0% | 57 ▲ 5.6% | $59,862 ▲ 3.3% |
| 2020 | $3.4M ▲ 0.2% | 61 ▲ 7.0% | $56,665 ▼ 5.3% |
| 2021 | $3.4M ▲ 1.7% | 65 ▲ 6.6% | $58,357 ▲ 3.0% |
| 2022 | $3.3M ▼ 3.5% | 60 ▼ 7.7% | $57,478 ▼ 1.5% |
| 2023 | $3.8M ▲ 15.0% | 70 ▲ 16.7% | $60,127 ▲ 4.6% |
| 2024 | $157.2K ▼ 95.9% | 1 ▼ 98.6% | $157,161 ▲ 161.4% |
| 2025 | $4.7M ▲ 2897.0% | 77 ▲ 7600.0% | $62,286 ▼ 60.4% |
Record list
Page 1
Treatment Plant Shift Supervisor/W&S Wastewater Central Key
Source-specific fields
Robert Humphrey Jr works as a Treatment Plant Shift Supervisor for W&S Wastewater Central Key. Robert earned $92,697 in 2019.
Treatment Plant Shift Supervisor/W&S Wastewater Central Key
Source-specific fields
At W&S Wastewater Central Key, Michael Binkley serves as a Treatment Plant Shift Supervisor. Their 2020 pay totaled $92,417.
Treatment Plant Technician 2/W&S Wastewater Central Key
Source-specific fields
T'Varis Bailey is a Treatment Plant Technician 2 at W&S Wastewater Central Key. 2025 total compensation came to $89,293.