DEDHAM WATER SUPPLY Water Quality Report
Population
221
people served
Water Source
🏔️ Ground
wells & aquifers
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 55
violations recorded
C
Fair
Safety Grade
55 violations in the past 5 years, including 16 health-based
System Details
- PWSID
- IA1433016
- Population Served
- 221
- Water Source
- Ground Water
- Owner
- Local Government
- State
- Iowa
- EPA Region
- 7
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 5000 | ⚠ Monitoring/Reporting | 12 |
| Thallium | ✕ Health-Based | 18 |
| Contaminant 3100 | ⚠ Monitoring/Reporting | 2 |
| Contaminant 7000 | ⚠ Monitoring/Reporting | 22 |
| Contaminant 7500 | ⚠ Monitoring/Reporting | 9 |
| Contaminant 1052 | ⚠ Monitoring/Reporting | 2 |
| Haloacetic Acids (HAA5) | ⚠ Monitoring/Reporting | 12 |
| Total Trihalomethanes (TTHMs) | ⚠ Monitoring/Reporting | 12 |
Violation History
2025
4
2024
1
2023
25
2022
18
2021
7
2020
11
2019
13
2018
6
2017
3
2016
6
Total violations on record: 97
Service Area
Cities Served
ZIP Codes Served
Recommended Water Filters
Based on contaminants detected in this water system:
Activated Carbon Filter
Effective for chlorine, THMs, pesticides, and taste/odor improvement
Removes: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
How does this compare?
This systemNational average
Grade C
Avg: B-C
97violations total
346% of national average
National avg: ~28 per system
🏘️ Small community water system.