Montenegro’s regional coastal water supplier has started a roughly €17 million expansion of its system as record summer demand pushes existing infrastructure closer to capacity and raises concerns that water availability could become a constraint on tourism and real-estate growth.
Regionalni vodovod said it had begun the second phase of the regional water-supply system after delivering more than 11 million cubic metres of water in 2025 and expecting an even higher volume in 2026.
Summer demand has risen sharply.
Average August deliveries increased from around 600 litres per second to almost 900 litres per second over the past three years.
That brings the system increasingly close to the roughly 1,000 litres-per-second capacity associated with the original first phase.
The expansion is therefore moving from long-term planning toward a more immediate capacity requirement.
Montenegro’s coast has experienced strong growth in tourism, hotel investment and residential development, increasing water demand at precisely the time when climate conditions are becoming less predictable.
Peak consumption can rise sharply during July and August as the population of coastal municipalities expands with visitors.
Hotels, restaurants, private accommodation, swimming pools and new residential developments all add to the burden.
The regional system was designed partly to address chronic shortages that previously affected the coast during summer.
It has become one of the key pieces of infrastructure supporting the tourism economy.
But continued development is now consuming the additional capacity created by earlier investment.
That makes the €17 million second phase economically important beyond the water sector itself.
Property developers need confidence that new projects can be connected to reliable utilities.
Hotel investors assess water, wastewater, electricity and road access as part of project feasibility.
If those networks lag behind construction, infrastructure eventually becomes a limit on additional investment.
The problem is particularly acute because Montenegro’s coastal development is concentrated in a narrow geographic area.
Budva, Tivat, Kotor, Bar, Herceg Novi and Ulcinj all experience large seasonal population increases.
Individual municipal utilities have very different levels of technical and financial capacity.
Regionalni vodovod provides the bulk-transfer system, but water must still pass through local distribution networks before reaching consumers.
That is where another major problem appears.
The company warned that water losses at some municipal utilities exceed 70%.
Losses at that level mean a large share of treated and transported water never generates revenue or reaches end users.
Leakage, old pipes, weak metering and unauthorised connections can all contribute.
That creates an uncomfortable investment equation.
Montenegro can spend millions expanding bulk supply while substantial volumes continue to disappear inside local networks.
Reducing those losses may in some cases provide more usable water than constructing entirely new sources.
It can also improve utility finances.
Water that is produced but not billed raises operating costs without generating income.
Municipal companies then have less money for maintenance and further investment, reinforcing the problem.
That means the regional expansion will need to be matched by local rehabilitation.
The scale of the challenge differs by municipality.
More developed coastal centres can often generate higher revenues from tourism and construction.
Smaller utilities may struggle to finance network replacement without government, EU or international financial institution support.
Montenegro is already discussing a wider World Bank-backed water security and climate-resilience programme that could help address some of those needs.
The country also has projects supported by the European Investment Bank and European Union.
The regional water expansion therefore forms part of a larger infrastructure cycle rather than a standalone investment.
Climate conditions add urgency.
Regionalni vodovod said record supply had been maintained despite difficult hydrological conditions.
Long dry periods can reduce natural water availability at the same time temperatures and consumption rise.
That combination makes historical demand assumptions less reliable.
Infrastructure designed around past climate patterns may need greater redundancy and reserve capacity.
The coast also faces a second utility problem: wastewater.
Increasing water supply allows more development and higher consumption, but the resulting wastewater must also be collected and treated.
Several municipalities still require major investment in sewage and treatment infrastructure.
Expanding one side of the system without the other can simply shift the bottleneck.
For developers, these issues increasingly affect project risk.
A residential or hotel complex can be commercially attractive based on location and demand but face delays or higher costs if water, sewage or electricity capacity is insufficient.
Infrastructure contribution fees and connection costs are therefore becoming a larger part of the development equation.
Recent delays in construction permitting have already reduced some of the special fee income used to finance Regionalni vodovod.
That creates another feedback loop.
Slower construction reduces infrastructure revenue, even as long-term development continues to increase the need for investment.
The company must therefore balance tariff income, development-related fees and external financing to fund expansion.
The €17 million second phase provides additional capacity, but it does not resolve that financing model by itself.
Water security is also increasingly relevant to Montenegro’s tourism positioning.
The country is moving toward higher-value hotels and resorts where service expectations are greater.
Interruptions or pressure reductions that might once have been treated as seasonal inconvenience become less acceptable in premium tourism markets.
Reliable utilities are therefore part of destination competitiveness.
The same applies to luxury residential property.
Foreign buyers paying high prices for coastal apartments expect European-level infrastructure.
If water supply or wastewater systems lag behind construction, the gap becomes a reputational as well as technical problem.
Regionalni vodovod’s record deliveries show that demand is already present.
The new investment is intended to stay ahead of it.
But the biggest efficiency opportunity may still lie downstream.
Adding regional capacity while local networks lose more than half their water is an expensive way to solve shortages.
The next phase of coastal development will therefore require two investments at once: more supply where capacity is genuinely exhausted, and much tighter control of the water already entering municipal systems.
For Montenegro’s tourism and property market, the distinction matters.
The coast does not simply need more water.
It needs more of the water it already pays to produce to reach the customer.
