Can I dig a well in Czechia?
Yes, but not just with an excavator — a well is legally a water structure, and without permits it is an illegal build. The path: a hydrogeologist assesses the plot (drilled wells usually start with an exploratory borehole), a designer prepares the documentation, and the water authority issues both the construction permit and the groundwater-abstraction permit — two permits, not one. Neighbours are parties to the proceedings: your well must not drain theirs, so the hydrogeological report is your main weapon. Old unpermitted wells can be legalised retroactively; wells built before 1955 are deemed permitted. A borehole runs about CZK 1,500–3,000 per metre, typically CZK 80–150k all in.
📋 The rules
- A well = water structure: construction permit + abstraction permit
- Hydrogeological assessment (exploratory borehole for drilled wells)
- Proceedings at the water authority; neighbours participate
- Old unpermitted wells: retroactive legalisation with an expert report
- Wells from before 1955: deemed permitted
🔓 Exceptions
- Rainwater tanks: no permit (not groundwater abstraction)
- Exploratory boreholes to 30 m: geological-works regime with notification — not the final well
- Droughts: the water authority can temporarily restrict or suspend even a permitted abstraction
⚠️ Penalties & fines
An illegal well or unpermitted abstraction is handled in administrative proceedings: fines for individuals commonly reach CZK 50,000. Worse than the fine is what follows — the authority can order the abstraction stopped or the structure removed, so you lose a borehole that cost you CZK 80,000 to 150,000. The dispute is usually started by a neighbour whose own well dropped after your drilling: as a party to the proceedings, they have a say. Retroactive legalisation with a hydrogeological report is therefore cheaper than litigation or a new borehole.
📎 Official sources
- eStav · Well permits step by step (CS) →
- Zakra · Drilled-well permits (CS) →
- ČOV bez úřadu · Retroactive well legalisation (CS) →
❓ Frequently asked
How many permits do I need?
Two key ones: the construction permit for the water structure and the permit to handle water, meaning groundwater abstraction. They are handled together at the water authority, but they really are two separate acts, not one.
Must the neighbours agree?
Neighbours are parties to the proceedings, so they can comment and object that the new well affects theirs. The authority weighs that impact, and your hydrogeological report is the main weapon for rebutting the objections.
I inherited a plot with an old well. Now what?
Wells built before 1955 are deemed permitted and you need do nothing at all. Younger paperless wells should be legalised retroactively with an expert report, ideally before an inspection arrives. A hydrogeologist writes the report.
What does a drilled well cost?
The borehole itself runs roughly CZK 1,500–3,000 per metre, and on top come the hydrogeological survey, the design and the proceedings. All in, you usually land between CZK 80,000 and 150,000 including permits.
May I water the garden and fill a pool from it?
Yes, but only within the abstraction volume stated in your permit. In droughts the water authority can restrict abstraction across the board, including for those whose paperwork is entirely in order.
🔎 Common searches
What people search to land here:
- “dig well czech republic”
- “well permit czechia”
- “borehole garden czech law”
- “legalise old well czech”
- “groundwater permit czechia”
- “neighbour objection well czech”