Public water system record
Tara Valley Homeowners Assn
Serves an area of Lincoln County, MO · 60 people served
Federal records show 5 health-based violations and 8 monitoring/reporting issues for Tara Valley Homeowners Assn in the last ten years. The most serious issue in this window was a resolved Combined Radium (-226 and -228) violation.
System profile
Source water
Groundwater
ZIP
63379
EPA system ID
MO6031193
- Health-based violations, last 10 years
- 5
- Resolved
- 5
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 8
Key facts
- Tara Valley Homeowners Assn draws water from 1 well.
- Highest measured level in the last 10 years: Combined Radium (-226 and -228), 6.48 pCi/L, federal limit 5 pCi/L (1.3 times the limit), 2024.
- Most recent formal enforcement: compliance order with a penalty by Missouri, April 2014.
- Record on file since 1997, with 53 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 30 service lines.
Check whether Tara Valley Homeowners Assn 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 5.68 pCi/L, federal limit 5 pCi/L (1.1 times the limit)
|
340 | Apr 1, 2024 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.48 pCi/L, federal limit 5 pCi/L (1.3 times the limit)
|
340 | Jan 1, 2024 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.13 pCi/L, federal limit 5 pCi/L (1.2 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 | Apr 1, 2020 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.88 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
340 | Jan 1, 2020 | 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 |
|
Public Notice
OTHER
|
Jun 27, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2019 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2019 | Resolved |
|
Radium-228
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Radium-226
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Radium-228
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Radium-226
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
Full record since 1997
EPA's records for Tara Valley Homeowners Assn go back to 1997. Before October 19, 2016 they list 53 health-based violations (53 resolved) and 19 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 2 | 6 |
| 2000s | 41 | 7 |
| 2010 to October 18, 2016 | 10 | 6 |
| October 19, 2016 to 2019 | 0 | 4 |
| 2020s | 5 | 2 |
Most recent health-based violation before October 19, 2016: Combined Radium (-226 and -228), began October 2014, Resolved.
Show all 53 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Oct 1, 2014 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Oct 1, 2014 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.55 pCi/L, federal limit 5 pCi/L (1.3 times the limit)
|
Jul 1, 2014 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 29.78 pCi/L, federal limit 15 pCi/L (2 times the limit)
|
Jul 1, 2014 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 28.73 pCi/L, federal limit 15 pCi/L (1.9 times the limit)
|
Apr 1, 2014 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.9 pCi/L, federal limit 5 pCi/L (1.4 times the limit)
|
Apr 1, 2014 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7.4 pCi/L, federal limit 5 pCi/L (1.5 times the limit)
|
Jan 1, 2014 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 30.03 pCi/L, federal limit 15 pCi/L (2 times the limit)
|
Jan 1, 2014 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7.5 pCi/L, federal limit 5 pCi/L (1.5 times the limit)
|
Oct 1, 2013 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 28.1 pCi/L, federal limit 15 pCi/L (1.9 times the limit)
|
Oct 1, 2013 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.43 pCi/L, federal limit 5 pCi/L (1.3 times the limit)
|
Jan 1, 2007 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 15.57 pCi/L, federal limit 15 pCi/L (at or just above the limit)
|
Oct 1, 2006 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.63 pCi/L, federal limit 5 pCi/L (1.3 times the limit)
|
Oct 1, 2006 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7.08 pCi/L, federal limit 5 pCi/L (1.4 times the limit)
|
Jul 1, 2006 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 20.3 pCi/L, federal limit 15 pCi/L (1.4 times the limit)
|
Jul 1, 2006 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7.02 pCi/L, federal limit 5 pCi/L (1.4 times the limit)
|
Apr 1, 2006 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 20.85 pCi/L, federal limit 15 pCi/L (1.4 times the limit)
|
Apr 1, 2006 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7.08 pCi/L, federal limit 5 pCi/L (1.4 times the limit)
|
Jan 1, 2006 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 24.67 pCi/L, federal limit 15 pCi/L (1.6 times the limit)
|
Jan 1, 2006 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7.03 pCi/L, federal limit 5 pCi/L (1.4 times the limit)
|
Oct 1, 2005 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 26.7 pCi/L, federal limit 15 pCi/L (1.8 times the limit)
|
Oct 1, 2005 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.8 pCi/L, federal limit 5 pCi/L (1.4 times the limit)
|
Jul 1, 2005 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 28.67 pCi/L, federal limit 15 pCi/L (1.9 times the limit)
|
Jul 1, 2005 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Apr 1, 2005 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Apr 1, 2005 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.7 pCi/L, federal limit 5 pCi/L (1.3 times the limit)
|
Jan 1, 2005 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 24.6 pCi/L, federal limit 15 pCi/L (1.6 times the limit)
|
Jan 1, 2005 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Oct 1, 2004 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Oct 1, 2004 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Jul 1, 2004 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Jul 1, 2004 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Apr 1, 2004 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Apr 1, 2004 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Jan 1, 2004 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Jan 1, 2004 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Oct 1, 2003 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Oct 1, 2003 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Jul 1, 2003 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Jul 1, 2003 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Apr 1, 2003 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Apr 1, 2003 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Jan 1, 2003 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Jan 1, 2003 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Oct 1, 2002 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Oct 1, 2002 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Jul 1, 2002 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Jul 1, 2002 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Apr 1, 2002 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Apr 1, 2002 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Apr 1, 2001 | Resolved |
3 older violations are not listed here. EPA ECHO has the complete list.
Enforcement actions
Missouri regulators took 3 formal enforcement actions against Tara Valley Homeowners Assn between 1998 and 2014. The most recent was a compliance order with a penalty in April 2014.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Apr 2, 2014 | Missouri | Compliance order with a penalty | 16 violations (13 health-based): Combined Radium (-226 and -228), Gross Alpha, Excl. Radon and U, Radium-226, Radium-228, Consumer Confidence Rule |
| Dec 15, 2005 | Missouri | Signed compliance agreement | 37 violations (37 health-based): Gross Alpha, Excl. Radon and U, Combined Radium (-226 and -228) |
| May 5, 1998 | Missouri | Signed compliance agreement | 6 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
Tara Valley Homeowners Assn draws water from 1 well.
Annual water quality report
Tara Valley Homeowners Assn 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 Tara Valley Homeowners Assn 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