The average wwtp maintenance supervisor salary at City of Grand Island was $94,303 . There is 1 employee at City of Grand Island with the job title wwtp maintenance supervisor.
| Name | Year | Job Title | Employer | ||
|---|---|---|---|---|---|
John Rundle M2023Wwtp Maintenance SupervisorCity of Grand Island | John Rundle M | 2023 | Wwtp Maintenance Supervisor | City of Grand Island | View Salary Details |