Public water system record
Big Lake
Serves Big Lake, Sherburne County, MN · 12,413 people served
Federal records show no health-based violations and no monitoring or reporting issues for Big Lake 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
- 0
Key facts
- Big Lake draws water from 7 wells (1 of them for emergency, seasonal or other part-time use).
- Most recent enforcement action: boil water order by Minnesota, October 1998.
- Record on file since 1992, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 3,860 service lines.
Check whether Big Lake 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, and no monitoring or reporting violations either.
Full record since 1992
EPA's records for Big Lake go back to 1992. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 4 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 2 |
| 2000s | 0 | 2 |
Most recent health-based violation before October 19, 2016: Total Coliform (acute), began October 1998, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform (acute)
Contaminant limit exceeded
|
Oct 1, 1998 | Resolved |
Enforcement actions
Minnesota regulators issued 1 boil water order to Big Lake in 1998. The most recent was a boil water order in October 1998.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 21, 1998 | Minnesota | Boil water order | 1 violation (1 health-based): Total Coliform |
Where the water comes from
Big Lake draws water from 7 wells (1 of them for emergency, seasonal or other part-time use).
Annual water quality report
Big Lake 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 Minnesota.
Certified drinking water labs by state EPA guidance for private wells