County · Rhode Island
Washington County, Rhode Island: drinking water records
Explore EPA records for 37 community water systems across 20 ZIP codes in Washington County, then find water-testing resources and available recent monitoring-station readings.
Data as of EPA UCMR 5 final release, August 2026 (file dated Aug 28, 2026) · EPA SDWIS 2026Q2 (file dated Jul 9, 2026). How we build these pages
Drinking-water records
EPA survey and compliance records are historical reports. UCMR 5 results are available for 9 of the 37 listed systems in this snapshot. A system with no reported PFAS detection is not a test of every tap or every contaminant.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems in this county
All 37 active community systems in the available county records, sorted by record completeness. Scroll the table to explore more systems.
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Veolia Water Wakefield Rhode Island INC RI1615624 | 22,347 | 120 | 0 | 6 | 3.2 ppbbelow the action level |
| Narragansett Water System-Point Judith RI1858428 | 8,210 | 60 | 0 | 13 | 4.1 ppbbelow the action level |
| Narragansett Water Dept-North End RI1858429 | 4,432 | 120 | 4 | 8 | 1.2 ppbbelow the action level |
| Westerly Water Department RI1559512 | 35,298 | 420 | 7 | 0 | 5.1 ppbbelow the action level |
| North Kingstown Town of RI1559517 | 27,732 | 360 | 6 | 0 | 1.3 ppbbelow the action level |
| University of Rhode Island RI1858422 | 19,354 | 60 | 8 | 0 | 6.4 ppbbelow the action level |
| Block Island Water Company RI1858430 | 9,999 | 60 | 0 | 0 | 0 ppbbelow the action level |
| South Kingstown-South Shore RI1615623 | 6,170 | 120 | 4 | 0 | 6 ppbbelow the action level |
| Kingston Water District RI1858421 | 3,968 | 180 | 5 | 0 | 2.9 ppbbelow the action level |
| Richmond, Town of RI1000040 | 2,671 | 0 | 0 | 1 | 0.3 ppbbelow the action level |
| Central Beach Fire District RI1647512 | 470 | 0 | 0 | 2 | 0.6 ppbbelow the action level |
| Exeter Job Corps Center RI2980475 | 300 | 0 | 0 | 1 | 18.8 ppbat or above the action level |
| Shadow Woods at Deer Brook RI2980426 | 300 | 0 | 0 | 1 | 0 ppbbelow the action level |
| Lindhbrook Water Company RI1000098 | 200 | 0 | 0 | 4 | 2.8 ppbbelow the action level |
| South Trail Commerce RI2980487 | 175 | 0 | 0 | 2 | 1.4 ppbbelow the action level |
| Hillsdale Housing Cooperative, INC. RI2942525 | 170 | 0 | 0 | 3 | 1 ppbbelow the action level |
| Canonchet Cliffs Water Association INC. RI1900053 | 154 | 0 | 0 | 9 | 4 ppbbelow the action level |
| Split Rock Corporation RI2585312 | 138 | 0 | 0 | 1 | 0 ppbbelow the action level |
| Ladd Center Water System RI1592012 | 129 | 0 | 0 | 1 | 64 ppbat or above the action level |
| Hopkinton, Town of RI2980473 | 125 | 0 | 0 | 1 | 0 ppbbelow the action level |
| Kingston Center AN0 RI2000165 | 77 | 0 | 0 | 2 | 116 ppbat or above the action level |
| South Kingstown-Middlebridge RI1000015 | 694 | 0 | 0 | 0 | 1 ppbbelow the action level |
| Quonochontaug East Beach Water Associati RI1647511 | 300 | 0 | 0 | 0 | 2.6 ppbbelow the action level |
| Shady Harbor Fire District RI1559513 | 300 | 0 | 0 | 0 | 1.9 ppbbelow the action level |
| Castle Rock Condominiums RI1000035 | 292 | 0 | 0 | 0 | 2 ppbbelow the action level |
| South Kingstown Nursing and Rehab RI2882117 | 232 | 0 | 0 | 0 | 0 ppbbelow the action level |
| Bethel Village Water Assn RI1000045 | 180 | 0 | 0 | 0 | 5 ppbbelow the action level |
| Richmond Ridge Development RI2980480 | 172 | 0 | 0 | 0 | 1.3 ppbbelow the action level |
| Charlestown Cedars LLC RI2674925 | 150 | 0 | 0 | 0 | 1 ppbbelow the action level |
| Mobile Village, INC. RI2585313 | 130 | 0 | 0 | 0 | 1 ppbbelow the action level |
| Saugatucket Springs RI2980423 | 110 | 0 | 0 | 0 | 1 ppbbelow the action level |
| Ninigret Realty RI2674928 | 109 | 0 | 0 | 0 | 3 ppbbelow the action level |
| Church Woods RI2980017 | 98 | 0 | 0 | 0 | 0 ppbbelow the action level |
| Border Hill Mobile Home Park RI2674924 | 75 | 0 | 0 | 0 | 3 ppbbelow the action level |
| Shannock Water District RI1647529 | 75 | 0 | 0 | 0 | 3 ppbbelow the action level |
| Liberty Hill RI2980481 | 48 | 0 | 0 | 0 | 1.5 ppbbelow the action level |
| Rockville Mill Hopkinton, LLC RI2980447 | 28 | 0 | 0 | 0 | 2.2 ppbbelow the action level |
Shaded rows report lead at or above the 15 ppb action level in their latest monitoring period. EPA sets that level for the value 9 in 10 sampled homes fall at or below; reaching it requires the utility to act, and it is not a measurement of any single tap. 3 systems in this table are at or above it. What an action level means
USGS · Monitoring stations
The water, more recently.
Available station readings in Washington County, Rhode Island. Each measurement keeps its time, unit and original source.
These readings describe water at a monitoring station. They do not test your tap, measure PFAS or lead, or determine whether water is safe to drink or swim in.
Recent observations load when this section comes into view.
How these readings update
We check for updates every 10 minutes while this section is visible and show supported observations from the last 48 hours. The time beside a reading is when USGS measured it; the checked time is when our service retrieved the response. We mark a reading more than 6 hours old as older. Provisional observations can change after USGS review. A missing reading does not mean zero or clean water.
Temperature, pH, dissolved oxygen, turbidity, conductivity, streamflow and water level are shown only where a station reports them. Different measurements have different units and sampling intervals. USGS data and documentation.
Your next step
Water testing, reports & local help.
Use these official directories to find your drinking-water agency, a certified laboratory and public water records. We have not yet added an individually reviewed local resource list for this county.
Official national directories
Water testing
Find your state’s private-well program
EPA’s state directory points well owners to local program information. Services and eligibility vary by state and county.
Water testing
Find a certified drinking-water laboratory
Use EPA’s directory to reach your state’s laboratory certification program. EPA does not provide on-request testing of residential drinking water.
Public records
Find your utility’s Consumer Confidence Report
EPA links to community water-system reports and explains how to read them. Look for your actual supplier rather than assuming every address in a county shares one system.
Public records
Explore USGS water observations
Find current and historical observations from USGS monitoring locations, including available stream, lake, and groundwater data. Measurements vary by station and do not replace a test of your household water.
A county overview cannot identify every property’s water provider. If you use a public water system, confirm its name on your bill and request its annual Consumer Confidence Report. Private wells need their own testing; public-system records do not describe a private well.
Understand water testing and laboratory reportsResource descriptions are compiled by Tap Water Lookup. Review dates describe our source check, not a new water sample. How we review sources · Suggest a correction
Explore your area
Local coverage in Washington County
20ZIP areas in this overview
Explore the water-system records, recent station readings and testing resources on this county page. They describe the systems and stations identified in each section; they are not a separate water test for every community.
Towns and communities
- Ashaway
- Bradford
- Carolina
- Charlestown
- Hope Valley
- Hopkinton
- Kingston
- Narragansett Pier
- Wakefield-Peace Dale
- Westerly
- Wyoming
View ZIP areas and understand coverage
- 02804Ashaway
- 02807
- 02808Bradford
- 02812Carolina
- 02813Charlestown
- 02822
- 02832Hope Valley
- 02833Hopkinton
- 02836
- 02852
- 02873
- 02874
- 02875
- 02879Wakefield-Peace Dale
- 02881Kingston
- 02882Narragansett Pier
- 02891Westerly
- 02892
- 02894
- 02898Wyoming
These Census ZIP Code Tabulation Areas are grouped here by their largest county overlap. A ZIP area can cross county lines and contain several water suppliers or private wells. Place labels reflect Census geography, not verified postal city names or utility service boundaries.
Records for these areas are currently presented in this county overview rather than individual ZIP reports. An unpublished report does not mean there are no water records. Confirm your supplier on your water bill; if you use a private well, testing your own well is the relevant next step.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Database prepared 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.
Compiled by Tap Water Lookup from the sources identified on this page. Read the methodology and review process.