Testing & Treatments

Water Quality Testing
Our laboratory can test for the the following:
- Bacteria
- Hardness
- Nitrates as N
- Nitrites as N
- pH
- Chlorides
- Turbidity
- Lead & Iron
- Metals
- Radon
- Radionuclides
- VOC (including MTBE)
- SOC (pesticides and herbicides)
Well Yield Testing
We can perform a well yield test in houses or on vacant lots, for real estate transactions, refinance, or for your own information. We do a 3-6 hour yield test in accordance with Baltimore County requirements.
The State minimum requirement for new construction is 1.0 gpm. Baltimore County requires a yield of at least 1.0 gpm for the transfer of property.
Caswell Testing can also perform 24, 48, 72 and 96-hour well yield tests required for water appropriation permits.

Chlorinations
More Services
Please see our Systems & Repairs page for more ways we can help you.
Well Casing Repairs
Water Softeners
Neutralizers
Sediment Filters
Ultra Violet Lights
Multi-Media Filters
Activated Carbon Filtration
Pressure Tanks
Reverse Osmosis Systems
Jet Pumps
Submersible Well Pumps
Constant Pressure Systems
Contact Us Today
410-557-WELL (9355)
or 443-452-9770
With a variety of services to choose from, we’re sure you’ll be happy working with us.