Cranston, Rhode Island

Cranston, Rhode Island Cranston, Rhode Island

Water Quality in Cranston, Rhode Island

Watershed: Pawtuxet River

What is the water quality like in Cranston, RI?

Let’s dive deeper into what’s in Cranston water.

What’s in Cranston water?

Here are the top 2 chemical compounds in your water and what health issues they can potentially cause:

  1. Haloacetic acids – Potential effect: Cancer
  2. Total trihalomethanes – Potential effect: Cancer

These are two of the 12 contaminants analyzed by the Environmental Working Group (

These 2 contaminants are rated as exceeding EWG Health Guidelines.

See the What Can You Do? section below for all of the contaminants you can filter out and how to do it.

Where does Cranston’s water come from?

Cranston’s water comes from the Pawtuxet River watershed.

15 of the 16 EPA assessed water sources in the Pawtuxet River watershed are in Impaired or Unknown condition. These include:

  • Fenner Pond – Impaired
  • Lakewood Brook – Unknown
  • Mashapaug Pond – Impaired
  • Meshanticut Brook and tributaries – Impaired
  • Meshanticut Pond – Impaired
  • Pawtuxet River Main Stem – Impaired
  • Roger Williams Park Ponds – Impaired
  • Sand Pond – Impaired
  • Spectacle Pond – Impaired
  • Three Pond Brook – Impaired
  • Three Ponds – Impaired
  • Tongue Pond – Unknown

Ideally, a water source would be rated in Good condition. Furnace Hill Brook and its tributaries are in Good condition.

Whether a water source is in Impaired or Good condition refers to the quality of these uses:

  1. Drinking Water
  2. Aquatic Life
  3. Fish and Shellfish Consumption
  4. Recreation

Learn more from How’s My Waterway

See below for what you can do to improve Cranston’s water.

Conclusion – What Can You Do?

Information about water quality can be surprising.

But there’s no reason to lose hope. There are things you can do in your household as well as things you can do at a community level.

In Your Household:

  • Use Berkey filters with activated carbon to filter out 9 of the 12 contaminants in your drinking water.
    • Berkey filters can also remove up to 99.99% of Lead in Cranston water.
    • Brita can filter 4 (and Lead depending on the filter).
    • Note: We may receive a commission if you decide to purchase filters through links on this page.
  • To filter out 8 of the 12 contaminants in your whole house, consider a Reverse Osmosis water filtration system for your home.

*Chlorination is an effective method of disinfecting/treating drinking water. You can then use a water filter to reduce the effects of chlorination byproducts to get the safest, cleanest water possible.

In Your Community:

Contact your local government officials and put pressure on them to invest in cleaner waterways and upgraded city water filtration and treatment.

Go to: to find contact information for your local officials.

Water Quality in Other Rhode Island Cities

Rhode Island Water Quality Page

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