Quality Assurance / SW-26 · -6.165° S · 39.202° E
Water You Can Trust
Reverse osmosis, UV sterilisation, and daily lab testing — every bottle of Sons Water meets TBS and international standards.
From Source to Sip
Every drop travels through our multi-stage purification journey before reaching your glass.
How We Guarantee Purity
Four layers of quality assurance ensure every drop is safe, clean, and refreshing.
01
TBS Certified
Every batch is tested to meet and exceed Tanzania Bureau of Standards (TBS) bottled water specifications. Our water consistently scores in the top percentile for purity and mineral balance.
02
Reverse Osmosis
Our core purification uses pharmaceutical-grade reverse osmosis membranes that remove dissolved solids, bacteria, and microplastics while preserving essential minerals.
03
Daily Lab Testing
On-site microbiological and chemical analysis every production day. Tests cover pH, turbidity, coliform bacteria, heavy metals, and total dissolved solids (TDS).
04
UV Sterilisation
Final-stage ultraviolet sterilisation neutralises any remaining microorganisms — a chemical-free process that leaves zero residue.
Water Quality Parameters
Typical values from our most recent production run. Full lab reports available on request.
| Parameter | Sons Water Value | Regulatory Standard |
|---|---|---|
| pH | 6.8 – 7.2 | TBS EAS 153 |
| TDS | < 150 mg/L | TBS EAS 153 |
| Turbidity | < 1.0 NTU | TBS EAS 153 |
| Coliform | 0 CFU / 100mL | TBS EAS 153 |
| Calcium | 8 – 25 mg/L | WHO |
| Magnesium | 2 – 8 mg/L | WHO |
* Typical values from production — contact us for the latest lab certificate.
Officially Certified
We are licensed and inspected by Tanzanian regulatory bodies. Our testing exceeds minimum legal requirements.
Need a Full Lab Report?
Procurement officers and hotel GMs: we supply the latest water quality certificate with every formal quotation. Ask our team.
-6.165° S · 39.202° E · Sons Water