Public water system record
Jamestowne MHP
On record as serving Mount Vernon, Lawrence County, MO · Serves 46 people
Federal records show 5 health-based violations and 67 monitoring/reporting issues for Jamestowne MHP in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.
System profile
- Health-based violations, last 10 years
- 5
- Resolved
- 5
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 67
Key facts
- Jamestowne MHP draws water from 1 well.
- Most recent enforcement action: boil water order by Missouri, September 2022.
- Record on file since 1991, with 8 health-based violations before October 19, 2016.
Check whether Jamestowne MHP 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 |
|---|---|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
140 | Jul 1, 2024 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | May 1, 2024 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Apr 1, 2024 | Resolved | No |
|
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
|
210 | Jul 26, 2022 | Resolved | No |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Apr 1, 2021 | Resolved | Yes |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Groundwater Rule
Monitoring and reporting
|
Aug 1, 2025 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Active |
|
Groundwater Rule
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Dec 1, 2024 | Resolved |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2024 | Active |
|
Groundwater Rule
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Sep 30, 2024 | Resolved |
|
Public Notice
OTHER
|
Sep 30, 2024 | Resolved |
|
Public Notice
OTHER
|
Aug 4, 2024 | Resolved |
|
Public Notice
OTHER
|
Aug 4, 2024 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Aug 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Jul 2, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Jun 30, 2024 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Jun 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Apr 26, 2024 | Resolved |
|
Public Notice
OTHER
|
Apr 15, 2024 | Resolved |
|
Public Notice
OTHER
|
Apr 15, 2024 | Resolved |
|
Public Notice
OTHER
|
Apr 15, 2024 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Feb 1, 2024 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Dec 1, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2023 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Mar 1, 2023 | Resolved |
|
Public Notice
OTHER
|
Sep 5, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2022 | Resolved |
|
E. coli
Monitoring and reporting
|
May 1, 2022 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
Selenium
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Thallium, Total
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Beryllium, Total
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Antimony, Total
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Mercury
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Chromium (total)
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Cadmium
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Barium
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Styrene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Toluene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Benzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2019 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2018 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2018 | Resolved |
Full record since 1991
EPA's records for Jamestowne MHP go back to 1991. Before October 19, 2016 they list 8 health-based violations (8 resolved) and 10 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 1 |
| 2000s | 2 | 5 |
| 2010 to October 18, 2016 | 5 | 4 |
| October 19, 2016 to 2019 | 0 | 5 |
| 2020s | 5 | 62 |
Most recent health-based violation before October 19, 2016: Total Coliform (acute), began August 2013, Resolved.
Show all 8 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform (acute)
Contaminant limit exceeded
|
Aug 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2013 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Apr 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2002 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 1991 | Resolved |
Enforcement actions
Missouri regulators took 1 formal enforcement action against Jamestowne MHP and issued 4 boil water orders between 2007 and 2022. The most recent was a boil water order in September 2022.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Sep 30, 2022 | Missouri | Boil water order | 1 violation |
| May 12, 2021 | Missouri | Boil water order | 1 violation (1 health-based): Revised Total Coliform Rule |
| Aug 19, 2013 | Missouri | Boil water order | 1 violation (1 health-based): Total Coliform |
| May 9, 2013 | Missouri | Boil water order | 1 violation (1 health-based): Total Coliform |
| Nov 30, 2007 | Missouri | Signed compliance agreement | 4 violations (1 health-based): Lead and Copper Rule, Total Coliform |
What the violations mean
Groundwater Rule
3 incidentsThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about each of these violations.
Stage 1 Disinfection Byproducts Rule
1 incidentThe system did not meet a treatment requirement of the Stage 1 Disinfectants and Disinfection Byproducts Rule
Byproducts form when disinfectants react with natural material in water. Long-term exposure above federal limits may increase cancer risk
Revised Total Coliform Rule
1 incidentThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
Where the water comes from
Jamestowne MHP draws water from 1 well.
Annual water quality report
Jamestowne MHP 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 Jamestowne MHP 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