Connecticut private well records • 2026 guide
A Connecticut well permit search can involve several official systems rather than one universal permit database. For well completion reports submitted online since January 1, 2021, the most useful statewide starting points are Connecticut Open Data’s Wells in Connecticut dataset and map. For earlier records, the Connecticut Department of Consumer Protection (DCP), the property’s local health department or district, and in some cases the Department of Energy and Environmental Protection (DEEP) may hold the information you need.
CountyPermitSearch.org is an independent informational website. It does not issue Connecticut well permits or maintain the state’s official drilling records.
Official Sources for a Connecticut Well Permit Search
Connecticut splits responsibility for well construction, local siting approval, professional registration, public health, and environmental records among several agencies. Knowing which office holds which record can save considerable time.
| What you need | Best official source | What it can provide |
|---|---|---|
| Recent well completion record | Connecticut Open Data | Well records submitted online since January 1, 2021, including searchable fields and report identifiers. |
| Statewide well location search | Map of Wells in Connecticut | A geographic view of wells represented in the online dataset. |
| Older well drilling reports | Connecticut DCP Well Drilling | Statewide well drilling reports listed by DCP for 1970 to present, plus current well-drilling resources. |
| Original local permit or siting approval | Local health department or district | Locally maintained permit, approval, siting, and related property records when available. |
| Well driller credential | Connecticut eLicense / DCP | Current state license or registration information for regulated well-drilling professionals. |
| Archived environmental records | Connecticut DEEP Records Center | Environmental files, including a category for well completion reports and other site-related records. |
How to Search Connecticut Well Records Submitted Since 2021
Connecticut’s Wells in Connecticut dataset covers reports submitted online since January 1, 2021. This is generally the most efficient statewide resource when researching a recently drilled, altered, geothermal, or abandoned well that appears in the online reporting system.
The dataset includes fields such as the drilling company, credential holder, DCP Report ID, boring date, well address, town, latitude and longitude, well depth, casing information, water-level information and links to supporting materials when those fields are present in the record.
Open the official Connecticut wells dataset
Start with the statewide dataset rather than a third-party property database. The state’s record provides the identifiers you may need for later research.
Search using the strongest property information you have
Begin with the town and well address. If you have a drilling date, company name, DCP Report ID, lot number, or coordinates, use those details to distinguish similar results.
Confirm the location before relying on the result
Compare the street, municipality, lot information, map coordinates and drilling date. A similar owner name or street number alone may not identify the intended well.
Save the DCP Report ID
The state’s dataset identifies a DCP Report ID. This identifier is especially useful when retrieving an individual report through the eLicense public-report system.
Review available permit and map links
Some dataset records contain links associated with the permit, location map or other supporting material. Availability varies by record, so a blank field should not be treated as proof that a document never existed.
Escalate the search if the record is missing
If the well predates online reporting, the address changed, or no matching record appears, use DCP’s older statewide reports and the local health agency serving the property.
Use the official Connecticut well map when the address search is unclear
Connecticut also publishes a Map of Wells in Connecticut based on the online well dataset. A map can be especially helpful for vacant lots, rural roads, changed street numbering, large parcels, or records where geographic coordinates are more reliable than an owner name.
The map is a research aid, not a substitute for reviewing the underlying report or confirming the well with the responsible health agency.
How to Find Older Connecticut Well Drilling Records
A recent online dataset search is not enough for many Connecticut properties. The Department of Consumer Protection’s current Well Drilling page separately links to statewide well drilling reports covering 1970 to present.
DCP notes that the historical statewide reports are multipage TIF image files. These files are not as convenient to search as a modern database, so research may require opening the appropriate archive and visually locating the relevant entry.
Use this order for an older well
- Search the current statewide Wells in Connecticut dataset first in case an online report or later well activity exists.
- Open DCP’s Well Drilling page and follow its link to the statewide reports from 1970 to present.
- Gather the town, street, lot number, approximate drilling year, former owner and driller name before reviewing historical files.
- Contact the local health department or district that serves the town and ask what well permit or completion records it retains for the property.
- If the record remains unresolved, review the DEEP Environmental Quality Records Center, which lists well completion reports among its records.
Why local health records matter
Connecticut DPH states that local health departments and districts have authority over private wells in their towns for proper siting and approval before construction. DCP’s current completion-reporting instructions also direct well contractors to provide the completed report to the local health department that approved the permit.
That makes the local health agency an important records source when you need the original permit, a locally retained completion report, siting information, or clarification of a historical approval.
Use the state’s Find Your Local Health Agency tool rather than guessing from the county. Connecticut public health services are administered through town/city health departments and regional health districts, and the responsible agency depends on the municipality.
Well Permit vs. Completion Report vs. Water Test Record
Property researchers often use the phrase “well permit” for several different documents. Separating them is important because each answers a different question.
| Record | Purpose | What it does not prove |
|---|---|---|
| Well drilling permit | Authorization required before applicable water-supply well drilling begins, including state and local health approval steps. | That the well was actually drilled or completed exactly as proposed. |
| Well completion report | Documents the completed drilling work and technical characteristics of the well. | That today’s water quality is safe or that every later alteration is reflected in the original record. |
| Water-quality test | Reports laboratory results for water samples collected at a particular time. | That the well construction itself was properly permitted or that water quality remains unchanged. |
| Driller credential | Shows state licensing or registration information for a well-drilling professional. | That a specific job received all required permits or approvals. |
| Septic or building record | Documents other regulated property systems or construction work. | The status, depth, location or construction details of the water well. |
If you are buying a home, planning construction, investigating contamination or replacing a well, you may need more than one of these records.
Who Approves a Water-Supply Well Permit in Connecticut?
Connecticut’s well permitting process combines state regulation with local public-health review. Under Connecticut General Statutes Chapter 482, a registered well driller applies for the permit before commencing work on a water-supply well.
The statutory process then requires local health involvement. The permit is submitted to the local director of health or authorized agent, who countersigns it when the proposed water-supply well conforms to applicable public-health requirements. The law states that the well cannot be drilled until the required permit has been issued and countersigned.
Connecticut DCP
Regulates well-drilling credentials and provides well-drilling permit, reporting, laws, regulations and statewide record resources.
Local health agency
Reviews private-well siting and local public-health requirements for properties within its jurisdiction and participates in permit approval.
Connecticut DPH
Provides statewide private-well public-health guidance, testing information, technical assistance and the directory of local health agencies.
Connecticut DEEP
Maintains environmental records and is involved in groundwater and environmental matters that can overlap with well research.
What happens after drilling?
Connecticut General Statutes Section 25-131 requires a well drilling contractor to provide a well record after completion of a water-supply well. The current statute specifies a period of 60 days unless another period has been established by the board.
DCP’s current online completion-reporting process requires information about the drilling work and supporting material such as GPS coordinates, a location map and a copy of the approved drilling permit. DCP also instructs the contractor to provide the completed report to the homeowner and the local health department that approved the permit.
How to Search by Address, Town, Owner or Report ID
The best search field depends on the age of the well and the information available. Property addresses are convenient, but they are not always the most reliable historical identifier.
Searching by street address
For online records, compare the well-address and municipality fields. Try the official street number and street name before adding extra details. If the parcel has multiple structures, an alternate address, a private road, or a recent address assignment, also search the map and lot information.
Searching by town
Town is especially useful for older records and rural properties. Connecticut well records are often organized or researched using the municipality rather than a county-level permitting office.
Searching by owner name
An owner name can help identify a well, but it should be treated as a historical clue. The name in a drilling record may be the owner at the time the work occurred and may not match today’s assessor or deed records.
Searching by DCP Report ID
If the statewide dataset returns a DCP Report ID, keep it. Connecticut’s public eLicense reporting tools use that identifier when retrieving an individual submitted report.
Searching by coordinates
Recent online completion reporting includes GPS coordinates for boring locations. Coordinates can help distinguish neighboring parcels or wells on large properties, but always compare them with the address, map and other record details before concluding that a point represents the well you are researching.
What a Connecticut Well Completion Record Can Show
The online state dataset contains a wide range of construction and location fields. Not every field is populated in every report, but a detailed record may help reconstruct how and where a well was built.
What the report cannot tell you by itself
- Whether the water is safe to drink today.
- Whether a later repair, pump replacement or treatment system changed the property.
- Whether the current owner is the person named in the original record.
- Whether a septic system, building addition or other property improvement is compliant.
- Whether the well currently produces adequate water under present conditions.
- Whether every required document is available in the online record.
For water-quality questions, use the Connecticut DPH Private Wells program and your local health agency. A construction report and a laboratory water test serve different purposes.
How to Verify a Connecticut Well Driller
If you are hiring a contractor or reviewing a historical completion report, verify the professional credential through the state’s official system rather than relying only on a company website, advertisement or business directory.
Connecticut DCP provides a public license and registration verification service connected with the Connecticut eLicense system.
Open the official DCP verification page
Follow the state link into eLicense rather than a sponsored or commercial credential-search website.
Search with one or two strong identifiers
DCP recommends using a limited number of search fields initially. Try the individual’s name, business-related information or known license type.
Match the credential to the report
Compare the name and credential shown in the license system with the well completion report or contractor proposal.
Review current status
Check the official record rather than assuming an old credential number remains active for new work.
DCP describes its License Lookup data as a primary source for state credential verification. If a credential status is unclear, contact DCP before authorizing regulated well work.
Using Well Records for Connecticut Property Research
A permit or completion report can be useful during a home purchase, renovation, subdivision review, well replacement or environmental investigation. The right research path depends on the decision you are trying to make.
Buying a home with a private well
Locate the completion report, confirm the well’s approximate location and construction details, and separately arrange appropriate water-quality evaluation. Do not treat an old completion report as a current water test.
Planning an addition or septic project
Knowing the well location can be important when reviewing proposed site work and separation requirements. Confirm current requirements with the local health agency before finalizing plans.
Replacing or repairing a well
Give the contractor any prior permit, completion report and site map you can locate. The old record can provide useful construction context even when the new work requires separate approval.
Investigating environmental concerns
Combine well information with the appropriate DEEP, DPH and local health records. A well location alone does not establish the presence or absence of contamination.
For real-estate due diligence
Compare information across multiple sources rather than relying on one screenshot. The well’s original owner, the current deed owner, the assessor’s parcel address and the physical well location may not all use identical descriptions.
If the well record is material to a purchase, construction plan or legal decision, ask the responsible agency or an appropriately qualified professional to resolve inconsistencies before you rely on the record.
Connecticut Well Record Troubleshooting
| Problem | Why it may happen | What to try next |
|---|---|---|
| No well appears by address | Older record, changed address, lot-based indexing or different spelling. | Search by town, map location, former owner, drilling year or historical DCP files. |
| Owner name does not match | The report can identify the owner at the time of drilling rather than the current owner. | Compare the drilling date with deed or assessor history and verify the physical location. |
| Well is older than online data | The statewide searchable dataset is based on reports submitted online since January 1, 2021. | Use DCP’s statewide 1970-present reports and ask the local health agency about archived records. |
| Map point looks wrong | Data-entry errors, parcel complexity or uncertainty about which boring is represented. | Compare coordinates with the location map, street, lot, report ID and original supporting documents. |
| Permit attachment is unavailable | Not every historical or online record includes every attachment in a public interface. | Contact DCP and the local health agency with the DCP Report ID, address and approximate drilling date. |
| You need an even older record | The record may be outside convenient online archives. | Ask the local health office and DEEP Records Center what archived well-completion material is available. |
Connecticut Well Permit Search FAQs
Can I search Connecticut well permits by address?
For newer online reports, start with the state’s Wells in Connecticut dataset and compare the reported well address and municipality. If an address search fails, try the statewide well map, town, former owner, report ID or older DCP records.
Where can I find Connecticut well reports from 2021 onward?
The Connecticut Open Data Wells in Connecticut dataset covers reports submitted online since January 1, 2021. The associated state map provides a geographic way to explore records represented in that dataset.
Where can I search well records from before 2021?
Connecticut DCP’s Well Drilling page links to statewide well drilling reports from 1970 to present. For records not resolved there, contact the local health agency serving the property and consider the DEEP Records Center for archived well-completion material.
Who approves a private well in Connecticut?
Well drilling is regulated at the state level through Connecticut’s Well Drilling Code and DCP, while local directors of health or their authorized agents have an approval role for water-supply well permits and private-well siting within their jurisdictions.
Does a well completion report prove the water is safe to drink?
No. A completion report primarily documents the drilling and construction of the well. Water-quality testing is a separate process. Use Connecticut DPH private-well guidance and an approved laboratory for current testing decisions.
How do I verify a Connecticut well driller?
Use Connecticut DCP’s official Verify a License service and eLicense portal. Compare the professional’s name and credential with the contractor information or well report you are reviewing.
What is a DCP Report ID?
It is an identifier shown in Connecticut’s online well dataset for submitted reports. The state notes that the DCP Report ID is used when retrieving an individual report through the eLicense public-report function.
Can a well record show the depth and yield?
Many completion records contain reported well depth, casing details, water-level or yield-test information and other construction data. Fields vary, so confirm the actual record rather than assuming every measurement is available.
What should I do if no Connecticut well record appears online?
Try alternate identifiers and historical sources. Search by town, previous owner, lot number, drilling company or approximate year, then check DCP’s historical reports and contact the local health department or district.
Are geothermal wells included in Connecticut well records?
Connecticut’s online reporting resources include geothermal-related records in addition to water-supply well records. Search the statewide dataset and review the report type and drilling details carefully.
Does a missing permit mean the well was drilled illegally?
Not necessarily. Historical records may be stored outside the modern online system, may use an older address or lot description, or may require an agency records search. Ask DCP and the responsible local health agency before making a compliance conclusion.
Do I need a permit to repair, replace or abandon a well?
Requirements depend on the type of work and the applicable well-drilling and public-health rules. Before altering an existing well, have a properly credentialed contractor confirm the current DCP and local health requirements for the specific project.
Official Connecticut Well Record Resources
Statewide dataset for well reports submitted online since January 1, 2021.
Open datasetOfficial geographic view based on the state’s online well dataset.
Open mapState well-drilling rules, registration information, historical reports and reporting resources.
Visit DCPCurrent instructions for filing well drilling completion reports through eLicense.
View instructionsState portal used for public license lookup and well-report functions.
Open eLicensePrivate-well testing, siting, construction, public-health guidance and local health links.
Visit DPHOfficial Connecticut directory for town/city health departments and regional health districts.
Find agencyCurrent Chapter 482 covering well drilling permits, records and related requirements.
Read statutesEnvironmental records resource that includes well completion reports among listed file categories.
View records infoWhat to do next
If you already have a property address, start with the statewide online dataset and map. Record the DCP Report ID, well address, drilling date and contractor information from any matching result. If the well is older or the search is incomplete, move to DCP’s historical files and the local health agency.
For a planned well project, use official DCP and local health guidance before work begins. For drinking-water questions, use DPH private-well guidance and current laboratory testing rather than assuming that a permit or completion report establishes present water quality.