SHERWOOD, CITY OF Water Quality Report

Population

19,885

people served

Water Source

🌊 Surface

rivers, lakes, reservoirs

National Rank

Top 54%

of 49,184 US systems

5-Year Record

⚠️ 2

violations recorded

B

Good

Safety Grade

2 violations in the past 5 years

System Details

PWSID
OR4100816
Population Served
19,885
Water Source
Surface Water
Owner
Local Government
State
Oregon
EPA Region
10

Contaminants of Concern

ContaminantStatusViolations
Contaminant 5000 Monitoring/Reporting2
Contaminant 8000 Monitoring/Reporting1
Contaminant 7000 Monitoring/Reporting1

Violation History

2025
1
2021
1
1994
2

Total violations on record: 4

Service Area

Cities Served

ZIP Codes Served

How does this compare?

This systemNational average
Grade B
Avg: B-C
4violations total

14% of national average

National avg: ~28 per system

📍 Mid-to-large system — serves 3× the national average.