Highest salary at Spring Valley in year 2022 was $282,567. Number of employees at Spring Valley in year 2022 was 145. Average annual salary was $89,138 and median salary was $60,798. Spring Valley average salary is 90 percent higher than USA average and median salary is 40 percent higher than USA median salary. From 2021 to 2022, the average salary of employees at this employer increased 5.6 percent, the median salary increased 0.7 percent.