Public water system record
Brookings Municipal Utilities
Serves Brookings, Brookings County, SD · 23,377 people served
Federal records show 1 health-based violation and no monitoring/reporting issues for Brookings Municipal Utilities in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Brookings Municipal Utilities draws water from 9 wells.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit), 2020.
- Record on file since 1976, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 45 lead and 639 unknown out of 8,522 service lines.
Check whether Brookings Municipal Utilities 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.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Jul 1, 2020 | Resolved | No |
Full record since 1976
EPA's records for Brookings Municipal Utilities go back to 1976. Before October 19, 2016 they list no health-based violations and 4 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 3 |
| 2000s | 0 | 1 |
| 2020s | 1 | 0 |
What the violations mean
Total Trihalomethanes (TTHMs)
1 incidentDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Where the water comes from
Brookings Municipal Utilities draws water from 9 wells. 3 other community water systems buy water from Brookings Municipal Utilities.
Community systems that buy water from it
- Aurora Aurora, SD
- North Brookings Water and Sanitary D Brookings, SD
- University Estates Brookings, SD
Annual water quality report
Brookings Municipal Utilities 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 South Dakota.
Certified drinking water labs by state EPA guidance for private wells