nonpotable
Unsafe for drinking
Nonpotable describes water or other liquids unfit for drinking.
Nonpotable water may be contaminated, untreated, or designated for other uses like irrigation or industrial processes: The sign warned that the fountain was nonpotable.
The opposite is potable, meaning safe to drink.
Made impure by contaminants
- taintedContaminated, made impure
- impureNot wholly clean
- fouledMade dirty or entangled
- adulteratedDiluted with inferior substances
corrupted · dirty · filthy · defiled · spoiled · mucky · muddied
Capable of causing harm
- poisonousCapable of causing death
- unsafeLikely to cause harm
- dangerousApt to cause harm
- harmfulCausing damage or injury
noxious · lethal · carcinogenic · infectious · pathogenic · biohazardous · corrosive · chemical
Mildly salty water
sulfurous · hard · alkaline · acidic · chlorinated · stagnant · fetid · rank
Cloudiness from suspended particles
- salinityDissolved mineral concentration
- hardnessResistance to penetration
- pHMeasure of solution acidity
- conductivityAbility to carry current
sediment · nitrates · phosphates · chlorine · coliform · particulates
Contaminated drainage from buildings
- effluentDischarged liquid waste
- sewageLiquid refuse in drains
- greywaterLight household wastewater
- runoffExcess water drainage
leachate · discharge · stormwater · bilge · blackwater · reclaimed · recycled · irrigation
polluted
Made impure by contaminants
adulterated · corrupted · dirty · filthy · defiled · spoiled · mucky · muddied
toxic
Capable of causing harm
harmful · noxious · lethal · carcinogenic · infectious · pathogenic · biohazardous · corrosive · chemical · arsenic
brackish
Mildly salty water
turbid · sulfurous · hard · alkaline · acidic · chlorinated · stagnant · fetid · rank · bitter
turbidity
Cloudiness from suspended particles
- salinityDissolved mineral concentration
- hardnessResistance to penetration
- pHMeasure of solution acidity
conductivity · sediment · nitrates · phosphates · chlorine · coliform · particulates
wastewater
Contaminated drainage from buildings
runoff · leachate · discharge · stormwater · bilge · blackwater · reclaimed · recycled · irrigation