Public water system record
Block Island Water Company
Serves an area of Washington County, RI · 9,999 people served
Federal records show no health-based violations and 63 monitoring/reporting issues for Block Island Water Company in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 63
Key facts
- Block Island Water Company draws water from 4 wells and 2 surface water intakes (2 of them for emergency, seasonal or other part-time use).
- Most recent formal enforcement: signed compliance agreement by Rhode Island, January 1996.
- Record on file since 1991, with 7 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 325 service lines.
Check whether Block Island Water Company 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.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Benzo(a)pyrene
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
LASSO
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Simazine
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2018 | Resolved |
|
Chlordane
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
2,4-D
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
LASSO
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Atrazine
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Aldicarb
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Aldicarb sulfone
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Aldicarb sulfoxide
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Picloram
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Simazine
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Dalapon
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Endrin
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Styrene
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Toluene
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Benzene
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
Full record since 1991
EPA's records for Block Island Water Company go back to 1991. Before October 19, 2016 they list 7 health-based violations (5 resolved, 2 archived by EPA without a recorded fix) and 6 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 7 | 1 |
| 2000s | 0 | 3 |
| 2010 to October 18, 2016 | 0 | 2 |
| October 19, 2016 to 2019 | 0 | 50 |
| 2020s | 0 | 13 |
Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began April 1995, Archived.
Show all 7 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Apr 1, 1995 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Jan 1, 1995 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Oct 1, 1994 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Jul 1, 1994 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Jul 1, 1994 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Apr 1, 1994 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1991 | Resolved |
Enforcement actions
Rhode Island regulators took 2 formal enforcement actions against Block Island Water Company and issued 2 boil water orders between 1985 and 1996, filed as 7 records in EPA's data. The most recent was a signed compliance agreement in January 1996.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jan 12, 1996 | Rhode Island | Signed compliance agreement | 2 violations (2 health-based): Total Trihalomethanes (TTHMs) |
| Oct 23, 1995 | Rhode Island | Signed compliance agreement | 3 violations (3 health-based): Total Trihalomethanes (TTHMs) |
| Sep 30, 1986 | Rhode Island | Boil water order | 1 violation |
| Sep 30, 1985 | Rhode Island | Boil water order | 1 violation |
Where the water comes from
Block Island Water Company draws water from 4 wells and 2 surface water intakes (2 of them for emergency, seasonal or other part-time use). 1 smaller public system such as schools, businesses or campgrounds buys water from Block Island Water Company. 3 other public water systems have emergency connections to Block Island Water Company.
Annual water quality report
Block Island Water Company 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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