Public water system record
Greenfield
Serves Greenfield, Hennepin County, MN · 313 people served
Federal records show 3 health-based violations and no monitoring/reporting issues for Greenfield in the last ten years. The most serious issue in this window was a resolved Combined Radium (-226 and -228) violation.
System profile
- Health-based violations, last 10 years
- 3
- Resolved
- 3
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Greenfield draws water from 1 well.
- Highest measured level in the last 10 years: Combined Radium (-226 and -228), 5.6 pCi/L, federal limit 5 pCi/L (1.1 times the limit), 2018.
- Most recent formal enforcement: compliance order (no penalty) by Minnesota, August 2019.
- Record on file since 2012, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 91 unknown out of 110 service lines.
Check whether Greenfield 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 |
|---|---|---|---|---|
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.5 pCi/L, federal limit 5 pCi/L (1.1 times the limit)
|
340 | Jan 1, 2019 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.6 pCi/L, federal limit 5 pCi/L (1.1 times the limit)
|
340 | Oct 1, 2018 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.5 pCi/L, federal limit 5 pCi/L (1.1 times the limit)
|
340 | Jul 1, 2018 | Resolved | No |
Full record since 2012
EPA's records for Greenfield go back to 2012. Before October 19, 2016 they list no health-based violations and 1 monitoring or reporting violation.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2010 to October 18, 2016 | 0 | 1 |
| October 19, 2016 to 2019 | 3 | 0 |
Enforcement actions
Minnesota regulators took 1 formal enforcement action against Greenfield in 2019. The most recent was a compliance order (no penalty) in August 2019.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Aug 2, 2019 | Minnesota | Compliance order (no penalty) | 1 violation (1 health-based): Combined Radium (-226 and -228) |
What the violations mean
Combined Radium (-226 and -228)
3 incidentsTest results for Combined Radium (-226 and -228) were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about each of these violations.
Where the water comes from
Greenfield draws water from 1 well. It also has an emergency connection to Rockford. 1 other public water system has a part-time connection to Greenfield.
Emergency or part-time connections to
- Rockford Albertville, MN
Annual water quality report
Greenfield 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 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Greenfield for a copy.
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