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Compare water/wastewater operator (oit/orc) licensing requirements across 51 US states and territories. Click any row to view that state's full licensing guide.
Avg. Median Salary
$58,533
across 50 states
Avg. Time to License
7 months
across 51 states
Avg. Initial Cost
$126
across 51 states
| State | Median Salary | Time to License | Initial Cost | Processing Time |
|---|---|---|---|---|
| Alabama | $48,730#41 | 7 mo#1 | $125#26 | 1 mo#1 |
| Alaska | $76,910#4 | 7 mo#1 | $200#47 | 1 mo#1 |
| Arizona | $61,480#17 | 7 mo#1 | $150#36 | 1 mo#1 |
| Arkansas | $38,310#50 | 7 mo#1 | $100#10 | 1 mo#1 |
| California | $82,100#1 | 7 mo#1 | $140#33 | 1 mo#1 |
| Colorado | $68,220#8 | 7 mo#1 | $120#24 | 1 mo#1 |
| Connecticut | $74,450#6 | 7 mo#1 | $330#51 | 1 mo#1 |
| Delaware | $59,960#20 | 7 mo#1 | $100#10 | 1 mo#1 |
| District of Columbia | — | 7 mo#1 | $100#10 | 1 mo#1 |
| Florida | $58,630#28 | 7 mo#1 | $175#46 | 1 mo#1 |
| Georgia | $49,370#40 | 7 mo#1 | $125#26 | 1 mo#1 |
| Hawaii | $65,800#10 | 7 mo#1 | $100#10 | 1 mo#1 |
| Idaho | $53,250#35 | 7 mo#1 | $125#26 | 1 mo#1 |
| Illinois | $63,790#13 | 7 mo#1 | $100#10 | 1 mo#1 |
| Indiana | $55,170#33 | 7 mo#1 | $60#6 | 1 mo#1 |
| Iowa | $59,400#22 | 7 mo#1 | $50#4 | 1 mo#1 |
| Kansas | $47,950#43 | 7 mo#1 | $50#4 | 1 mo#1 |
| Kentucky | $47,700#44 | 7 mo#1 | $100#10 | 1 mo#1 |
| Louisiana | $38,690#49 | 7 mo#1 | $40#1 | 1 mo#1 |
| Maine | $60,960#18 | 7 mo#1 | $125#26 | 1 mo#1 |
| Maryland | $58,740#26 | 7 mo#1 | $150#36 | 1 mo#1 |
| Massachusetts | $65,620#11 | 7 mo#1 | $125#26 | 1 mo#1 |
| Michigan | $58,470#29 | 7 mo#1 | $140#33 | 1 mo#1 |
| Minnesota | $70,470#7 | 7 mo#1 | $125#26 | 1 mo#1 |
| Mississippi | $44,970#46 | 7 mo#1 | $60#6 | 1 mo#1 |
| Missouri | $52,990#36 | 7 mo#1 | $45#2 | 1 mo#1 |
| Montana | $59,960#20 | 7 mo#1 | $140#33 | 1 mo#1 |
| Nebraska | $57,640#31 | 7 mo#1 | $100#10 | 1 mo#1 |
| Nevada | $79,140#2 | 7 mo#1 | $220#48 | 1 mo#1 |
| New Hampshire | $66,240#9 | 7 mo#1 | $158#44 | 1 mo#1 |
| New Jersey | $75,200#5 | 7 mo#1 | $150#36 | 1 mo#1 |
| New Mexico | $46,680#45 | 7 mo#1 | $100#10 | 1 mo#1 |
| New York | $63,140#14 | 7 mo#1 | $307#50 | 1 mo#1 |
| North Carolina | $49,710#38 | 7 mo#1 | $150#36 | 1 mo#1 |
| North Dakota | $58,250#30 | 7 mo#1 | $100#10 | 1 mo#1 |
| Ohio | $58,720#27 | 7 mo#1 | $45#2 | 1 mo#1 |
| Oklahoma | $41,380#48 | 7 mo#1 | $100#10 | 1 mo#1 |
| Oregon | $64,500#12 | 7 mo#1 | $150#36 | 1 mo#1 |
| Pennsylvania | $59,170#23 | 7 mo#1 | $70#8 | 1 mo#1 |
| Rhode Island | $57,060#32 | 7 mo#1 | $100#10 | 1 mo#1 |
| South Carolina | $49,480#39 | 7 mo#1 | $166#45 | 1 mo#1 |
| South Dakota | $54,090#34 | 7 mo#1 | $100#10 | 1 mo#1 |
| Tennessee | $50,760#37 | 7 mo#1 | $120#24 | 1 mo#1 |
| Texas | $48,110#42 | 7 mo#1 | $222#49 | 1 mo#1 |
| Utah | $59,120#24 | 7 mo#1 | $156#43 | 1 mo#1 |
| Vermont | $61,530#16 | 7 mo#1 | $125#26 | 1 mo#1 |
| Virginia | $58,920#25 | 7 mo#1 | $150#36 | 1 mo#1 |
| Washington | $78,810#3 | 7 mo#1 | $150#36 | 1 mo#1 |
| West Virginia | $43,960#47 | 7 mo#1 | $100#10 | 1 mo#1 |
| Wisconsin | $62,360#15 | 7 mo#1 | $70#8 | 1 mo#1 |
| Wyoming | $60,580#19 | 7 mo#1 | $100#10 | 1 mo#1 |
Salary data from BLS OEWS May 2024. Timeline and processing times derived from state licensing board requirements. Cost includes government application and exam fees (excludes education/training costs). Rankings use dense ranking — tied values share the same rank.
See how states compare on a single dimension: