Segura
Segura makes portable water testers that utility field technicians use to measure lead and copper at the tap.
Founded
2023Segura makes portable water testers that utility field technicians use to measure lead and copper at the tap.
For a utility checking lead at the tap, Segura's competition is as much the analytical method it replaces as other field instruments. Colorimetric strip tests and single-analyte electrochemical meters are the direct portable rivals, and both trade detection limit for convenience: colorimetric tests are unreliable below about ten parts per billion for lead, and chronoamperometric meters measure one metal per test. Segura's anodic stripping voltammetry resolves lead, copper, cadmium and zinc in a single run and reads electrochemically rather than optically.
The status quo it displaces is centralised laboratory analysis, usually ICP-MS, which sets the accuracy benchmark but requires couriering samples, trained analysts and days to weeks of turnaround per result. Segura's differentiation is therefore delivery rather than sensitivity: a factory-calibrated, mercury-free disposable strip and a handheld reader put the measurement in a field technician's hands within minutes. It positions that reading as screening evidence that flags exceedances for laboratory confirmation, not as an accredited compliance measurement.
Source: segura-water.com
Segura's growth case rests on monitoring frequency becoming the binding constraint for water utilities rather than analytical sophistication. Tightening lead limits — the EU Drinking Water Directive, the US EPA's Lead and Copper Rule Improvements and UK DWI guidance — raise how often utilities must show compliance, and the case for testing more often is argued from measured exposure: UK government surveillance counted 200,000 children living with lead poisoning from water systems in 2023, and a 2022 PNAS study put over half the US population at elevated early-childhood exposure.
The clearest risk to Segura's position is regulatory rather than technical: the company states that EPA certification and MCERTS accreditation are both in progress and that the platform is currently suitable as a screening tool that flags exceedances for laboratory confirmation. Until those certifications land, the compliance use case the dashboard is built around — export formats for UK DWI, US EPA and EU Drinking Water Directive reporting — rests on customers accepting screened results that still need laboratory confirmation.
The dated indicators that would confirm that judgment are deployment breadth and detection limit. Segura reports a field-validated lead limit of quantification of 2 parts per billion, below the 5 µg/L EU limit, and plans a third-generation sensor at 0.1 parts per billion by the end of the second quarter of 2026 — a target, not a shipped specification. Confirmation would show as named utility programmes expanding beyond the New York City Department of Environmental Protection pilot and the extended metal panel moving out of on-request availability.
Source: segura-water.com
Two further exposures are visible in what the company does not claim. Commercial concentration is high, because validation rests on more than 200 network samples drawn from a small set of named institutional partners, and the platform is not sold for individual consumer use. Execution risk sits in the roadmap, since improved sensitivity and an expanded metal panel are described as a third-generation sensor under development, with manganese in active development, making the next capability step a plan rather than a shipped product.
Source: segura-water.com