Public water system record
City of Sherwood
Serves Sherwood, Washington County, OR · 19,885 people served
Federal records show no health-based violations and 3 monitoring/reporting issues for City of Sherwood 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
- 3
Key facts
- City of Sherwood buys its water from City of Wilsonville.
- Record on file since 1976, with 7 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 222 unknown out of 6,268 service lines.
Check whether City of Sherwood 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 |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2025 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2021 | Resolved |
Full record since 1976
EPA's records for City of Sherwood go back to 1976. Before October 19, 2016 they list 7 health-based violations (6 resolved, 1 archived by EPA without a recorded fix) and 23 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 2 |
| 1990s | 7 | 13 |
| 2000s | 0 | 3 |
| 2010 to October 18, 2016 | 0 | 5 |
| 2020s | 0 | 3 |
Most recent health-based violation before October 19, 2016: Total Coliform, began May 1993, Resolved.
Show all 7 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
May 1, 1993 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 1993 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 1993 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 1992 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1991 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1991 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1991 | Resolved |
Where the water comes from
City of Sherwood buys its water from City of Wilsonville. It lists no wells or intakes of its own.
Buys water from
- City of Wilsonville Wilsonville, OR
Annual water quality report
City of Sherwood 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 Oregon.
Certified drinking water labs by state EPA guidance for private wells