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Well Driller / Water Well Contractor
Water well driller licensing is state-regulated with wide variation. Most states require licensing that includes experience under a licensed driller, exams, insurance, and bonding. Compare requirements across all 50 states.
51
Total States
49
Require License
25
Require Exam
$193
Avg. License Fee
Water well driller licensing protects groundwater resources and ensures proper well construction. Requirements vary significantly by state.
Most states require 1-4 years of experience working under a licensed driller. This apprenticeship covers drilling techniques, well construction standards, groundwater hydrology, and state regulations. NGWA voluntary certifications are recognized by many states.
Many states require liability insurance ($500,000-$1,000,000) and surety bonds ($5,000-$50,000). These protect property owners from drilling damage, groundwater contamination, and improper well construction.
Nearly all states have adopted well construction standards — whether or not they require driller licensing. These standards govern casing, grouting, well depth, water quality testing, and mandatory well log reporting to protect aquifer integrity.
Click any column header to sort. Click a state to view full requirements. States shown in gray do not require well driller licensing.
| State | Licensed | Exam | Experience | Insurance | Bond | Fees | CE Hours | Verified |
|---|---|---|---|---|---|---|---|---|
| Alabama(AL) | Yes | Yes | Yes | Yes | Yes | $250 | 8 | Mar 2026 |
| Alaska(AK) | Yes | No | Yes | No | No | $200 | — | Mar 2026 |
| Arizona(AZ) | Yes | Yes | Yes | Yes | Yes | $300 | 8 | Mar 2026 |
| Arkansas(AR) | Yes | No | Yes | No | No | $125 | — | Mar 2026 |
| California(CA) | Yes | Yes | Yes | Yes | Yes | $590 | 16 | Mar 2026 |
| Colorado(CO) | Yes | Yes | Yes | Yes | No | $150 | 8 | Mar 2026 |
| Connecticut(CT) | Yes | Yes | Yes | Yes | Yes | $150 | 8 | Mar 2026 |
| Delaware(DE) | Yes | No | Yes | No | No | $100 | — | Mar 2026 |
| District of Columbia(DC) | No | N/A | N/A | N/A | N/A | — | — | Mar 2026 |
| Florida(FL) | Yes | Yes | Yes | Yes | Yes | $300 | 8 | Mar 2026 |
| Georgia(GA) | Yes | Yes | Yes | Yes | Yes | $325 | 8 | Mar 2026 |
| Hawaii(HI) | Yes | No | Yes | No | No | $100 | — | Mar 2026 |
| Idaho(ID) | Yes | No | Yes | No | No | $100 | — | Mar 2026 |
| Illinois(IL) | Yes | Yes | Yes | Yes | Yes | $250 | 10 | Mar 2026 |
| Indiana(IN) | Yes | No | Yes | Yes | No | $100 | 6 | Mar 2026 |
| Iowa(IA) | Yes | Yes | Yes | Yes | Yes | $200 | 8 | Mar 2026 |
| Kansas(KS) | Yes | No | Yes | No | No | $75 | — | Mar 2026 |
| Kentucky(KY) | Yes | No | Yes | No | No | $125 | — | Mar 2026 |
| Louisiana(LA) | Yes | No | Yes | No | No | $150 | — | Mar 2026 |
| Maine(ME) | Yes | Yes | Yes | Yes | No | $150 | 8 | Mar 2026 |
| Maryland(MD) | Yes | Yes | Yes | Yes | Yes | $250 | 8 | Mar 2026 |
| Massachusetts(MA) | Yes | Yes | Yes | Yes | No | $100 | — | Mar 2026 |
| Michigan(MI) | Yes | Yes | Yes | Yes | Yes | $250 | 10 | Mar 2026 |
| Minnesota(MN) | Yes | Yes | Yes | Yes | Yes | $350 | 12 | Mar 2026 |
| Mississippi(MS) | Yes | No | Yes | No | No | $125 | — | Mar 2026 |
| Missouri(MO) | Yes | No | Yes | No | No | $125 | — | Mar 2026 |
| Montana(MT) | Yes | No | Yes | No | No | $100 | — | Mar 2026 |
| Nebraska(NE) | Yes | Yes | Yes | Yes | Yes | $225 | 8 | Mar 2026 |
| Nevada(NV) | Yes | Yes | Yes | Yes | Yes | $300 | 8 | Mar 2026 |
| New Hampshire(NH) | Yes | No | Yes | Yes | No | $125 | — | Mar 2026 |
| New Jersey(NJ) | Yes | Yes | Yes | Yes | Yes | $300 | 10 | Mar 2026 |
| New Mexico(NM) | Yes | No | Yes | No | No | $125 | — | Mar 2026 |
| New York(NY) | Yes | Yes | Yes | Yes | No | $100 | 6 | Mar 2026 |
| North Carolina(NC) | Yes | Yes | Yes | Yes | Yes | $300 | 8 | Mar 2026 |
| North Dakota(ND) | Yes | No | Yes | No | No | $125 | — | Mar 2026 |
| Ohio(OH) | Yes | Yes | Yes | Yes | Yes | $225 | 8 | Mar 2026 |
| Oklahoma(OK) | Yes | No | Yes | No | No | $125 | — | Mar 2026 |
| Oregon(OR) | Yes | Yes | Yes | Yes | Yes | $300 | 8 | Mar 2026 |
| Pennsylvania(PA) | No | N/A | N/A | N/A | N/A | — | — | Mar 2026 |
| Rhode Island(RI) | Yes | No | Yes | No | No | $125 | — | Mar 2026 |
| South Carolina(SC) | Yes | Yes | Yes | Yes | Yes | $250 | 8 | Mar 2026 |
| South Dakota(SD) | Yes | No | Yes | No | No | $100 | — | Mar 2026 |
| Tennessee(TN) | Yes | No | Yes | No | No | $125 | — | Mar 2026 |
| Texas(TX) | Yes | Yes | Yes | Yes | No | $379 | 16 | Mar 2026 |
| Utah(UT) | Yes | No | Yes | No | No | $125 | — | Mar 2026 |
| Vermont(VT) | Yes | No | Yes | No | No | $75 | — | Mar 2026 |
| Virginia(VA) | Yes | No | Yes | Yes | Yes | $200 | 6 | Mar 2026 |
| Washington(WA) | Yes | Yes | Yes | Yes | Yes | $300 | 8 | Mar 2026 |
| West Virginia(WV) | Yes | No | Yes | No | No | $125 | — | Mar 2026 |
| Wisconsin(WI) | Yes | Yes | Yes | Yes | Yes | $275 | 8 | Mar 2026 |
| Wyoming(WY) | Yes | No | Yes | No | No | $100 | — | Mar 2026 |
Well drillers work alongside other environmental and construction professionals. Explore related licensing requirements.
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See the full comparison table above for all 51 states.