Homeowner Testing

Groton Utilities Laboratory provides testing needed for residential wells.

Sample containers and instructions for collecting samples are obtained at the laboratory. Please call 446-4082 for further information.

Physical/Bacterial Testing

• Color
• Turbidity
• PH
• Odor
• Total Coliform
• Fecal Coliform
• Heterotrophic Plate Count
• Certificate of Occupancy (Coliform + 12 analytes)

Inorganics

• Alkalinity
• Chloride
• Chorine (Free)
• Cyanide (Total)
• Flouride
• Hardness (Total)
• Iron
• Lead/Copper
• Manganese
• MBAS (Surfactants)
• Metals (Graphite furnace AA)
• Mercury
• Nitrate
• Nitrite
• Phosphate, Ortho
• Phosphorus, Total
• Sodium
• Sulfate
• IOC (no Pb/Cu, asbestos, NO2, NO3)

Organics

• Total Organic Carbon (to RWA)
• CTETPH
• Pesticides and Herbicides (6)
• Total Petroleum Hydrocarbons
• SOCs (Phase II & IV)
• VOCs (EPA 524.2)
• Total Trihalomethanes
• Other