Public water system record
Lake Seven Falls Assn Inc
Serves an area of Ste. Genevieve County, MO · 475 people served
Federal records show 5 health-based violations and 3 monitoring/reporting issues for Lake Seven Falls Assn Inc 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
- 5
- Resolved
- 5
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 3
Key facts
- Lake Seven Falls Assn Inc draws water from 1 well.
- Highest measured level in the last 10 years: Combined Radium (-226 and -228), 7.53 pCi/L, federal limit 5 pCi/L (1.5 times the limit), 2023.
- Most recent formal enforcement: signed compliance agreement by Missouri, February 1994.
- Record on file since 1992, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 277 service lines.
Check whether Lake Seven Falls Assn Inc 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 6.63 pCi/L, federal limit 5 pCi/L (1.3 times the limit)
|
340 | Jul 1, 2024 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7.18 pCi/L, federal limit 5 pCi/L (1.4 times the limit)
|
340 | Apr 1, 2024 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7.3 pCi/L, federal limit 5 pCi/L (1.5 times the limit)
|
340 | Jan 1, 2024 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7.53 pCi/L, federal limit 5 pCi/L (1.5 times the limit)
|
340 | Oct 1, 2023 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.68 pCi/L, federal limit 5 pCi/L (1.1 times the limit)
|
340 | Jul 1, 2023 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Apr 23, 2025 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2019 | Resolved |
Full record since 1992
EPA's records for Lake Seven Falls Assn Inc go back to 1992. Before October 19, 2016 they list no health-based violations and 40 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 33 |
| 2000s | 0 | 4 |
| 2010 to October 18, 2016 | 0 | 3 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 5 | 2 |
Enforcement actions
Missouri regulators took 1 formal enforcement action against Lake Seven Falls Assn Inc in 1994. The most recent was a signed compliance agreement in February 1994.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Feb 28, 1994 | Missouri | Signed compliance agreement | 10 violations: Total Coliform |
What the violations mean
Combined Radium (-226 and -228)
5 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
Lake Seven Falls Assn Inc draws water from 1 well.
Annual water quality report
Lake Seven Falls Assn Inc 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 Lake Seven Falls Assn Inc 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 Missouri.
Certified drinking water labs by state EPA guidance for private wells