Water distributed by a public network is monitored and treated before it enters distribution. In most cases it leaves the plant compliant with health requirements. The useful question is therefore not only “is the water drinkable?”, but “what condition does it arrive in at the point of use?”.
What can deteriorate along the way
- The condition of the pipework: older networks can release particles, iron or metals.
- Intermediate storage: poorly maintained tanks and cisterns encourage microbiological regrowth.
- Stagnation: in the dead legs of an internal network, water loses its residual disinfectant.
- The building's plumbing: unsuitable fittings, hoses and materials can degrade the water over the final few metres.
Taste is not a reliable indicator
Water can be perfectly clear and odourless while still exceeding a chemical limit, and conversely can taste strongly of chlorine while being entirely compliant. Only an analysis can settle it.
The right approach
Have the water analysed at the point of use, not only where it enters the building. The result determines the treatment: carbon filtration for taste and chlorine, softening against limescale, reverse osmosis for dissolved salts, UV treatment for microbiological safety.
Treating without analysing means investing blind. An analysis always costs less than badly sized equipment.