TOLSTOY Water Quality Report
Population
36
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 31
violations recorded
C
Fair
Safety Grade
31 violations in the past 5 years, including 3 health-based
System Details
- PWSID
- SD4600331
- Population Served
- 36
- Water Source
- Surface Water
- Owner
- Local Government
- State
- South Dakota
- EPA Region
- 8
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 7000 | ⚠ Monitoring/Reporting | 2 |
| Contaminant 0400 | ✕ Health-Based | 3 |
| Contaminant 8000 | ⚠ Monitoring/Reporting | 18 |
| Contaminant 0999 | ⚠ Monitoring/Reporting | 11 |
| Contaminant 7500 | ⚠ Monitoring/Reporting | 2 |
Violation History
2024
2
2023
16
2022
11
2021
2
2016
2
2009
1
2004
1
2002
1
Total violations on record: 36
Service Area
Cities Served
ZIP Codes Served
How does this compare?
This systemNational average
Grade C
Avg: B-C
36violations total
129% of national average
National avg: ~28 per system
🏘️ Small community water system.