The average salary for a water engineer in Montana is around $100,140 per year.
Avg Salary
Water engineers earn an average yearly salary of $100,140.
Wages typically start from $63,920 and go up to $154,530.
61% above national average Updated in 2025
Water engineer earnings by seniority
90th percentile
Top-level water engineer earnings begin at:
$74.29 per hour
$154,530 per year
75th percentile
Senior-level water engineer earnings begin at:
$60.58 per hour
$126,000 per year
50th percentile
Mid-level water engineer earnings begin at:
$48.15 per hour
$100,140 per year
25th percentile
Junior-level water engineer earnings begin at:
$38.99 per hour
$81,100 per year
10th percentile
Starting level water engineer earnings begin at:
$30.73 per hour
$63,920 per year
Approximate values based on highest and lowest earning segments.
Water engineer salary by state
| State Name | Average Salary |
|---|---|
| North Carolina | $99,440 |
| South Dakota | $98,890 |
| Missouri | $98,170 |
| Maryland | $97,570 |
| Tennessee | $97,190 |
| Georgia | $96,530 |
| South Carolina | $96,140 |
| Delaware | $95,720 |
| Iowa | $94,830 |
| Kansas | $94,070 |
| Arizona | $93,970 |
| Maine | $93,930 |
| Vermont | $92,580 |
| Indiana | $92,460 |
| Oklahoma | $92,090 |
| North Dakota | $91,370 |
| Mississippi | $91,100 |
| Wisconsin | $89,990 |
| New Hampshire | $88,610 |
| Arkansas | $85,280 |
| West Virginia | $83,200 |
| Puerto Rico | $57,650 |
| Louisiana | $130,510 |
| California | $130,410 |
| Oregon | $127,100 |
| Washington | $125,460 |
| Texas | $123,060 |
| Nebraska | $120,620 |
| Idaho | $117,520 |
| Florida | $116,840 |
| Massachusetts | $115,800 |
| Minnesota | $115,750 |
| Connecticut | $114,710 |
| Ohio | $113,180 |
| Alaska | $110,220 |
| Nevada | $109,720 |
| New Mexico | $108,360 |
| Illinois | $107,990 |
| Hawaii | $107,880 |
| Kentucky | $107,520 |
| Colorado | $106,890 |
| Wyoming | $106,330 |
| Michigan | $105,080 |
| Virginia | $104,940 |
| Utah | $103,380 |
| Pennsylvania | $103,330 |
| Alabama | $102,650 |
| New Jersey | $102,630 |
| New York | $101,270 |
| Rhode Island | $101,140 |
| District of Columbia | $100,360 |
| Montana | $100,140 |
How do water engineer salaries compare to similar careers?
Water engineers earn about the same as related careers in Montana. On average, they make less than chemical engineers but more than product safety engineers.
| Career | Median Salary |
|---|---|
| Chemical engineer salary | $127K |
| Industrial engineer salary | $104K |
| Petroleum engineer salary | $104K |
| Environmental engineer salary | $100K |
| Water engineer salary | $100K |
| Mining and geological engineer salary | $105K |
| Engineer salary | $99K |
| Product safety engineer salary | $98K |
Source: CareerExplorer (Aggregated)