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Parameter transparency

We publish ranges, not single-batch figures

A single test number can raise more doubts than certainty. At La Reserva we publish sustained control ranges referenced to NOM-201-SSA1-2015 and NOM-127-SSA1-2021.

Reliable water is not water with one good test result; it is water that stays within range week after week through consistent monitoring and system maintenance.

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Quality questions

Clear answers about the water you drink

  • Filtration retains suspended particles like sand, dust and sediments from the municipal supply. It protects the downstream purification equipment from damage.

  • It absorbs chlorine, chloramines, odors and unwanted flavors. It is one of the stages that most impacts the taste and perceived quality of the water.

  • It reduces excess calcium and magnesium that causes hardness. The result is water without scale or metallic taste, more pleasant to drink and safe for health.

  • Reverse osmosis reduces dissolved solids including minerals. The subsequent polishing or brightening stage balances the final quality of the purified water.

  • Filtered water only passes through basic filters. Purified water, like La Reserva's, goes through eight stages including reverse osmosis and UV sterilization.

  • No. Activated carbon eliminates chlorine in the early stages. The water that reaches your jug contains no chlorine or by-products like trihalomethanes.

  • Weekly monitoring detects any deviation before it reaches the customer. If a parameter goes out of range, dispensing is suspended until the system is corrected.

  • High hardness is not a direct health risk, but it can affect taste and leave scale deposits. The softener reduces hardness within the established control limits.

  • Visit us at Salamanca #100, Topo Grande, Escobedo. We are happy to share the water control ranges and explain how each parameter is verified.

  • Message us on WhatsApp at 81 3685 2825 or visit the location. We answer any technical questions about parameters, the process or system monitoring.

  • Total Dissolved Solids: measures dissolved solids in water in parts per million. A low TDS means excess minerals and metals have been properly removed.

  • We keep TDS at ≤ 50 ppm within the NOM-127-SSA1-2021 control range. Reverse osmosis is the stage that reduces this parameter.

  • A single test reflects only one moment. Sustained control ranges are more representative of the real quality customers receive week after week.

  • pH measures the acidity or alkalinity of water. At La Reserva it is maintained between 7.5 and 9.0, within the NOM-127-SSA1-2021 control range.

  • We operate under NOM-201-SSA1-2015 for purified packaged water and NOM-127-SSA1-2021 for water for human consumption. Both define parameter limits.

  • UV sterilization is applied double or triple before every dispense. Ultraviolet light destroys the DNA of bacteria and viruses without leaving chemical residues in the water.

  • The system is monitored weekly with an internal tool. Automatic triggers alert the team if any parameter approaches its control limit before going out of range.

  • No. Activated carbon removes residual chlorine from the municipal supply. The purified water from La Reserva contains no chlorine or its by-products.

  • The clean, neutral taste results from removing chlorine, odors, sediments and excess minerals. The combination of stages produces water with a naturally good taste.

  • Yes. The multi-stage process removes chemical and microbiological contaminants. The water complies with the health standards for drinking water under NOM-127-SSA1-2021.

Have questions?

Ask anything before your first visit

We are at Salamanca #100, Topo Grande, Escobedo, open 24 hours. Message us on WhatsApp and we will answer any questions about the water or the process.

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