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Category Archives: Water Testing

Endotoxin in Water: Why a Bacteria Test Isn’t Enough

A negative bacteria test is usually good news, but it doesn't tell you everything about [...]

Arsenic III vs Arsenic V: What Speciation Shows in Wells

Finding arsenic in your well water is concerning, but knowing how much is present is [...]

Baseline Water Test Before Nearby Drilling or Mining

A lease offer arrives, a permit notice goes up, or a drill rig appears down [...]

Ammonia in Well Water: Causes, Risks and How to Test

A lab result, a sharp smell from the tap, or a chlorine residual that will [...]

Pool Water Testing: What a Lab Scan Adds to Test Strips

Your test strip looks fine, yet the pool is cloudy, the water has a green [...]

Detection Limits in Water Testing: Why Non-Detect Isn’t Zero

You open your water test report and find ND or a less-than sign beside the [...]

MCL vs MCLG: What the Difference Means for Your Water

A water report or Consumer Confidence Report can list two numbers for the same contaminant, [...]

Langelier Saturation Index: Is Your Water Eating Pipes?

Blue-green stains around a drain, a pinhole leak in a copper line, or white crust [...]

Unknown Residue in Water? FTIR, SEM and Microanalysis

Black flakes in the sink, orange crust around a faucet, or a slimy film in [...]

How to Test Rainwater, Cistern, and Spring Water Safely

No utility tests rainwater, cistern water, or spring water for you, so the owner has [...]