Public water system record
Mountain Grove PWS
Serves Mountain Grove, Wright County, MO · 4,789 people served
Federal records show no health-based violations and 5 monitoring/reporting issues for Mountain Grove PWS 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
- 5
Key facts
- Mountain Grove PWS draws water from 5 wells.
- Most recent formal enforcement: signed compliance agreement by Missouri, August 2007.
- Record on file since 1984, with 12 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 311 unknown out of 2,205 service lines.
Check whether Mountain Grove PWS 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.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Resolved |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2019 | Resolved |
Full record since 1984
EPA's records for Mountain Grove PWS go back to 1984. Before October 19, 2016 they list 12 health-based violations (12 resolved) and 8 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 2 |
| 1990s | 3 | 4 |
| 2000s | 9 | 2 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 0 | 4 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 2007, Resolved.
Show all 12 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2006 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2006 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 2006 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2001 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2001 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1996 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Sep 1, 1996 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1994 | Resolved |
Enforcement actions
Missouri regulators took 1 formal enforcement action against Mountain Grove PWS and issued 1 boil water order between 1996 and 2007. The most recent was a signed compliance agreement in August 2007.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Aug 28, 2007 | Missouri | Signed compliance agreement | 7 violations (7 health-based): Total Coliform |
| Oct 4, 1996 | Missouri | Boil water order | 1 violation (1 health-based): Total Coliform |
Where the water comes from
Mountain Grove PWS draws water from 5 wells.
Annual water quality report
Mountain Grove PWS 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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