Public water system record
Woonsocket Water Division
Serves Woonsocket, Providence County, RI · 45,828 people served
Federal records show 1 health-based violation and 16 monitoring/reporting issues for Woonsocket Water Division in the last ten years. The most serious issue in this window was a resolved Interim Enhanced Surface Water Treatment Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 16
Key facts
- Woonsocket Water Division draws water from 3 surface water intakes.
- Most recent formal enforcement: signed compliance agreement by Rhode Island, April 1996.
- Record on file since 1993, with 6 health-based violations before October 19, 2016.
- Lead pipe inventory: 85 lead and 1,698 unknown out of 9,741 service lines.
Check whether Woonsocket Water Division serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Dec 1, 2019 | Resolved | Yes |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Resolved |
|
Chlorite
Monitoring and reporting
|
Dec 1, 2021 | Resolved |
|
Chlorite
Monitoring and reporting
|
Nov 1, 2021 | Resolved |
|
Chlorite
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Chlorite
Monitoring and reporting
|
Sep 1, 2021 | Resolved |
|
Chlorite
Monitoring and reporting
|
Aug 1, 2021 | Resolved |
|
Chlorite
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Dec 1, 2019 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Dec 1, 2019 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Nov 11, 2019 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Sep 11, 2019 | Resolved |
|
Fluoride
Monitoring and reporting
|
Aug 1, 2019 | Resolved |
|
Epichlorohydrin
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Acrylamide
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
E. coli
Monitoring and reporting
|
Nov 1, 2016 | Resolved |
Full record since 1993
EPA's records for Woonsocket Water Division go back to 1993. Before October 19, 2016 they list 6 health-based violations (6 resolved) and 5 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 6 | 1 |
| 2000s | 0 | 2 |
| 2010 to October 18, 2016 | 0 | 2 |
| October 19, 2016 to 2019 | 1 | 8 |
| 2020s | 0 | 8 |
Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began July 1996, Resolved.
Show all 6 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
Jul 1, 1996 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Nov 1, 1995 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Oct 1, 1995 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Nov 1, 1994 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jun 4, 1994 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Dec 1, 1993 | Resolved |
Enforcement actions
Rhode Island regulators took 2 formal enforcement actions against Woonsocket Water Division in 1996. The most recent was a signed compliance agreement in April 1996.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Apr 26, 1996 | Rhode Island | Signed compliance agreement | 1 violation (1 health-based): Surface Water Treatment Rule |
| Apr 23, 1996 | Rhode Island | Signed compliance agreement | 1 violation (1 health-based): Surface Water Treatment Rule |
What the violations mean
Interim Enhanced Surface Water Treatment Rule
1 incidentThe system did not meet a filtration or treatment requirement for surface water
Inadequate treatment of surface water can let pathogens such as Cryptosporidium and Giardia through
Where the water comes from
Woonsocket Water Division draws water from 3 surface water intakes. It also has an emergency connection to Lincoln Water Commission and a seasonal connection to Town of Cumberland. 2 other community water systems buy water from Woonsocket Water Division. 2 other public water systems have emergency connections to Woonsocket Water Division.
Emergency or part-time connections to
- Lincoln Water Commission Lincoln, RI
- Town of Cumberland Cumberland, RI
Community systems that buy water from it
- Dowling Village Warwick, RI
- Slatersville Public Supply North Smithfield, RI
Annual water quality report
Woonsocket Water Division must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Rhode Island.
Certified drinking water labs by state EPA guidance for private wells