Well Pump Permit Requirements by State (2026)
This guide covers all 50 states with permit requirement status, typical cost, and whether a licensed contractor is mandated. Use it before you schedule any pump work or DIY project. Permit rules are set at state level but administered locally, so treat the table as a starting point and confirm the current fee with your county health department before you book work.
20
States requiring permit
23
States sometimes requiring (county-level)
7
States with no typical permit
All 50 States: Permit Requirements at a Glance
The permit column describes well work generally. Many states marked Required or Sometimes still exempt a like-for-like pump swap in the same casing, so read the notes column alongside the status. Permit costs are typical county ranges, not fixed state fees.
Alabama
$0- Permit
- No
- Licensed contractor
- No
No statewide requirement; county rules vary
Alaska
$75 - $200- Permit
- Required
- Licensed contractor
- Required
Licensed driller required for most pump work
Arizona
$50 - $100- Permit
- Sometimes
- Licensed contractor
- Recommended
Required for structural changes; county-dependent
Arkansas
$25 - $75- Permit
- Sometimes
- Licensed contractor
- Recommended
Registration required for well contractors
California
$100 - $250- Permit
- Required
- Licensed contractor
- Required
Strict; local agency of record often required
Colorado
$100 - $200- Permit
- Sometimes
- Licensed contractor
- Required
Licensed pump installer required statewide
Connecticut
$100 - $200- Permit
- Required
- Licensed contractor
- Required
Licensed driller and inspector required
Delaware
$50 - $100- Permit
- Required
- Licensed contractor
- Required
DNREC oversight; licensed contractor required
Florida
$100 - $250- Permit
- Required
- Licensed contractor
- Required
One of the strictest states; water management district permit + licensed contractor
Georgia
$25 - $100- Permit
- Sometimes
- Licensed contractor
- Recommended
County health department authority; rules vary widely
Hawaii
$100 - $200- Permit
- Required
- Licensed contractor
- Required
State DOH oversight; licensed contractor required
Idaho
$50 - $100- Permit
- Sometimes
- Licensed contractor
- Required
Licensed well driller required; permit for structural changes
Illinois
$50 - $150- Permit
- Sometimes
- Licensed contractor
- Required
Licensed pump installation contractor required statewide
Indiana
$0- Permit
- No
- Licensed contractor
- No
No statewide permit requirement for like-for-like replacement
Iowa
$50 - $100- Permit
- Sometimes
- Licensed contractor
- Required
Iowa DNR oversight; licensed contractor strongly recommended
Kansas
$25 - $75- Permit
- Sometimes
- Licensed contractor
- Recommended
Permit required in some water management districts
Kentucky
$0- Permit
- No
- Licensed contractor
- No
No statewide permit for replacement; county rules may vary
Louisiana
$25 - $75- Permit
- Sometimes
- Licensed contractor
- Recommended
Parish (county) health department authority
Maine
$50 - $150- Permit
- Sometimes
- Licensed contractor
- Required
Licensed well driller required; permit for new wells and major changes
Maryland
$75 - $150- Permit
- Required
- Licensed contractor
- Required
MDE oversight; licensed contractor required for all pump work
Massachusetts
$100 - $200- Permit
- Required
- Licensed contractor
- Required
Local Board of Health permit required; licensed contractor required
Michigan
$50 - $150- Permit
- Sometimes
- Licensed contractor
- Required
High well density; licensed contractor required statewide
Minnesota
$75 - $175- Permit
- Required
- Licensed contractor
- Required
MDH licensed contractor required; permit for new and altered wells
Mississippi
$0- Permit
- No
- Licensed contractor
- No
No statewide requirement; MSDH tracks water well contractors
Missouri
$0- Permit
- No
- Licensed contractor
- Recommended
Licensed contractor recommended; no permit for replacement
Montana
$50 - $100- Permit
- Sometimes
- Licensed contractor
- Required
Licensed contractor required; permit for structural changes
Nebraska
$25 - $75- Permit
- Sometimes
- Licensed contractor
- Required
NDA oversight; licensed pump contractor required in most counties
Nevada
$75 - $200- Permit
- Required
- Licensed contractor
- Required
NDEP and county permit required; licensed contractor required
New Hampshire
$75 - $150- Permit
- Required
- Licensed contractor
- Required
DES oversight; licensed water well contractor required
New Jersey
$150 - $250- Permit
- Required
- Licensed contractor
- Required
One of the strictest states; DEP permit + licensed well driller
New Mexico
$50 - $100- Permit
- Sometimes
- Licensed contractor
- Required
OSE authority; licensed pump contractor required
New York
$50 - $150- Permit
- Sometimes
- Licensed contractor
- Recommended
Varies by county; some counties require permits for all well work
North Carolina
$100 - $200- Permit
- Required
- Licensed contractor
- Required
Strict; NCDEQ permit + licensed well contractor required statewide
North Dakota
$25 - $75- Permit
- Sometimes
- Licensed contractor
- Recommended
SWCC authority; county rules apply
Ohio
$25 - $100- Permit
- Sometimes
- Licensed contractor
- Recommended
County sanitarian authority; rules vary by county
Oklahoma
$0- Permit
- No
- Licensed contractor
- No
No statewide permit for replacement; OWRB tracks licensed drillers
Oregon
$75 - $175- Permit
- Required
- Licensed contractor
- Required
OWR oversight; licensed water well contractor required
Pennsylvania
$75 - $150- Permit
- Required
- Licensed contractor
- Required
DEP and county requirements; licensed well driller required
Rhode Island
$100 - $200- Permit
- Required
- Licensed contractor
- Required
RIDEM oversight; licensed contractor required
South Carolina
$25 - $75- Permit
- Sometimes
- Licensed contractor
- Recommended
County health department authority; contractor registration required
South Dakota
$0- Permit
- No
- Licensed contractor
- Recommended
No permit for replacement; licensed contractor recommended
Tennessee
$25 - $75- Permit
- Sometimes
- Licensed contractor
- Required
TDEC oversight; licensed contractor required for all well work
Texas
$25 - $100- Permit
- Sometimes
- Licensed contractor
- Required
TCEQ oversight; groundwater district rules apply locally
Utah
$75 - $150- Permit
- Required
- Licensed contractor
- Required
UDWQ licensed driller required; permit for all well work
Vermont
$50 - $100- Permit
- Sometimes
- Licensed contractor
- Required
Licensed contractor required; permit for new and altered wells
Virginia
$100 - $200- Permit
- Required
- Licensed contractor
- Required
VDH oversight; licensed well operator required statewide
Washington
$75 - $175- Permit
- Required
- Licensed contractor
- Required
DOE oversight; licensed contractor required for all pump work
West Virginia
$50 - $100- Permit
- Sometimes
- Licensed contractor
- Required
OEHS oversight; licensed driller required
Wisconsin
$75 - $175- Permit
- Required
- Licensed contractor
- Required
DNR oversight; state-licensed pump installer required
Wyoming
$25 - $75- Permit
- Sometimes
- Licensed contractor
- Required
SEO oversight; licensed driller or pump installer required
| State | Permit Required | Licensed Contractor | Permit Cost |
|---|---|---|---|
| Alabama | No | No | $0 |
| Alaska | Required | Required | $75 - $200 |
| Arizona | Sometimes | Recommended | $50 - $100 |
| Arkansas | Sometimes | Recommended | $25 - $75 |
| California | Required | Required | $100 - $250 |
| Colorado | Sometimes | Required | $100 - $200 |
| Connecticut | Required | Required | $100 - $200 |
| Delaware | Required | Required | $50 - $100 |
| Florida | Required | Required | $100 - $250 |
| Georgia | Sometimes | Recommended | $25 - $100 |
| Hawaii | Required | Required | $100 - $200 |
| Idaho | Sometimes | Required | $50 - $100 |
| Illinois | Sometimes | Required | $50 - $150 |
| Indiana | No | No | $0 |
| Iowa | Sometimes | Required | $50 - $100 |
| Kansas | Sometimes | Recommended | $25 - $75 |
| Kentucky | No | No | $0 |
| Louisiana | Sometimes | Recommended | $25 - $75 |
| Maine | Sometimes | Required | $50 - $150 |
| Maryland | Required | Required | $75 - $150 |
| Massachusetts | Required | Required | $100 - $200 |
| Michigan | Sometimes | Required | $50 - $150 |
| Minnesota | Required | Required | $75 - $175 |
| Mississippi | No | No | $0 |
| Missouri | No | Recommended | $0 |
| Montana | Sometimes | Required | $50 - $100 |
| Nebraska | Sometimes | Required | $25 - $75 |
| Nevada | Required | Required | $75 - $200 |
| New Hampshire | Required | Required | $75 - $150 |
| New Jersey | Required | Required | $150 - $250 |
| New Mexico | Sometimes | Required | $50 - $100 |
| New York | Sometimes | Recommended | $50 - $150 |
| North Carolina | Required | Required | $100 - $200 |
| North Dakota | Sometimes | Recommended | $25 - $75 |
| Ohio | Sometimes | Recommended | $25 - $100 |
| Oklahoma | No | No | $0 |
| Oregon | Required | Required | $75 - $175 |
| Pennsylvania | Required | Required | $75 - $150 |
| Rhode Island | Required | Required | $100 - $200 |
| South Carolina | Sometimes | Recommended | $25 - $75 |
| South Dakota | No | Recommended | $0 |
| Tennessee | Sometimes | Required | $25 - $75 |
| Texas | Sometimes | Required | $25 - $100 |
| Utah | Required | Required | $75 - $150 |
| Vermont | Sometimes | Required | $50 - $100 |
| Virginia | Required | Required | $100 - $200 |
| Washington | Required | Required | $75 - $175 |
| West Virginia | Sometimes | Required | $50 - $100 |
| Wisconsin | Required | Required | $75 - $175 |
| Wyoming | Sometimes | Required | $25 - $75 |
Data verified April 2026. Rules change; always confirm with your county health department before starting work.
The 10 Strictest States: What You Need to Know
Florida
Florida is among the strictest. The state's five water management districts each have their own rules. Work requires both a state-licensed well contractor and a permit from the applicable district. Under the FDEP water well construction disciplinary guidelines, a contractor who builds, repairs or abandons a well without a permit faces a recommended administrative fine of $500 for a first offence, rising to $1,000 and $1,500 for repeat offences within 36 months. Separately, section 373.129 of the Florida Statutes lets a district pursue civil penalties of up to $15,000 per offence, with each day a violation continues counting as its own offence. Florida's unique geology (karst limestone) makes contamination risk high, justifying the oversight.
New Jersey
NJDEP requires a permit for any well work beyond routine maintenance. The licensed well driller must apply for the permit and the homeowner cannot pull a permit themselves. Costs run $150 to $250 for the permit alone. Counties may have additional requirements. One of the few states where a like-for-like pump replacement still requires a formal permit.
North Carolina
NCDEQ requires a well contractor license for all pump work. Permits are required for most alterations. NC has one of the highest private well densities in the US (over 1.2 million wells) and active enforcement of its well construction standards.
Virginia
VDH requires a licensed well operator (separate from a plumber or general contractor) for any work on a private well. The permit process is handled through local health departments. Costs average $100 to $200.
Wisconsin
DNR requires a state-licensed pump installer for all pump work. The pump installer is a separate license from the well driller. Wisconsin's strict rules stem from the state's high water table and vulnerability to agricultural contamination.
Minnesota
MDH requires a licensed contractor for any well pump work. Unlike many states, Minnesota's rule applies explicitly to replacement work, not just new construction. Permit costs are $75 to $175.
Pennsylvania
DEP and county health departments both have authority. PA has over 900,000 private wells; the licensing and permitting system is administered through regional offices. A licensed water well driller is required for all pump replacements.
California
Rules vary dramatically by county. Some California counties require a permit even for pump replacement; others do not. The local agency of record (often the county environmental health department) is the authority. Bay Area and Southern California counties tend to be the most demanding.
Washington
DOE requires a licensed contractor for all pump work. Permit requirements are set by the county water utilities program. Western Washington (wetter climate, denser wells) tends to have stricter enforcement than eastern Washington.
Michigan
Michigan has over 1.1 million private wells. The state requires a licensed well driller for any work involving the borehole or casing; pump installation in existing casings is somewhat less regulated but still requires a licensed pump installer in most counties.
When a Permit Is Required Even for a Like-for-Like Replacement
Even in states where routine pump replacement is usually permit-free, a permit is typically required when:
- Changing from a jet pump to a submersible pump (change in construction type)
- Deepening the pump setting depth or changing the casing depth
- Abandoning the existing well and drilling a new one
- Adding a second service line or connection point
- Any casing repair or grouting work
- The well is within a certain distance of a septic system, water body, or property line
Consequences of Unpermitted Well Work
Fines
State and county fines for unpermitted well work range from $500 to $5,000 depending on the state. Repeat violations can be higher.
Insurance denial
If a water quality or property damage claim is related to well work, insurance companies may deny the claim if they determine the work was done without required permits.
Sale complications
Unpermitted well work must be disclosed in most states. Buyers may demand remediation as a condition of sale, requiring a retroactive permit, inspection, or re-work.
Required well closure
In some states, an inspector can order the well closed until inspected and any violations corrected. This means no water service until the issue is resolved.