Public water system record
Farmington PWS
Serves Farmington, St. Francois County, MO · 18,217 people served
Federal records show 2 health-based violations and 2 monitoring/reporting issues for Farmington PWS 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
- 2
- Resolved
- 2
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 2
Key facts
- Farmington PWS draws water from 15 wells (2 of them for emergency, seasonal or other part-time use).
- Highest measured level in the last 10 years: Combined Radium (-226 and -228), 5.83 pCi/L, federal limit 5 pCi/L (1.2 times the limit), 2024.
- Most recent formal enforcement: compliance order with a penalty by Missouri, February 2016.
- Record on file since 1979, with 118 health-based violations before October 19, 2016.
- Lead pipe inventory: 1 lead and 3,168 unknown out of 6,285 service lines.
Check whether Farmington 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.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.53 pCi/L, federal limit 5 pCi/L (1.1 times the limit)
|
340 | Oct 1, 2024 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.83 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
340 | Jul 1, 2024 | Resolved | No |
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, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
Full record since 1979
EPA's records for Farmington PWS go back to 1979. Before October 19, 2016 they list 118 health-based violations (88 resolved, 30 archived by EPA without a recorded fix) and 6 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 2 | 0 |
| 1980s | 4 | 0 |
| 1990s | 3 | 1 |
| 2000s | 64 | 0 |
| 2010 to October 18, 2016 | 45 | 5 |
| 2020s | 2 | 2 |
Most recent health-based violation before October 19, 2016: Total Coliform, began November 2015, Resolved.
Show all 118 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2014 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 16.37 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
Jan 1, 2014 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 15.9 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
Oct 1, 2013 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17.43 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
|
Jul 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2013 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 18.23 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
|
Apr 1, 2013 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.48 pCi/L, federal limit 5 pCi/L (1.3 times the limit)
|
Apr 1, 2013 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.05 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Jan 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2012 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Oct 1, 2012 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.2 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Oct 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2012 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17.8 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
|
Jul 1, 2012 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.68 pCi/L, federal limit 5 pCi/L (1.1 times the limit)
|
Jul 1, 2012 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 18 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
|
Apr 1, 2012 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.05 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Jan 1, 2012 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 18.04 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
|
Jan 1, 2012 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7 pCi/L, federal limit 5 pCi/L (1.4 times the limit)
|
Oct 1, 2011 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 19.43 pCi/L, federal limit 15 pCi/L (1.3 times the limit)
|
Oct 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2011 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9.24 pCi/L, federal limit 5 pCi/L (1.8 times the limit)
|
Jul 1, 2011 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 22.23 pCi/L, federal limit 15 pCi/L (1.5 times the limit)
|
Jul 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2011 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 12.54 pCi/L, federal limit 5 pCi/L (2.5 times the limit)
|
Apr 1, 2011 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 25.86 pCi/L, federal limit 15 pCi/L (1.7 times the limit)
|
Apr 1, 2011 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 15.62 pCi/L, federal limit 5 pCi/L (3.1 times the limit)
|
Jan 1, 2011 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 31.05 pCi/L, federal limit 15 pCi/L (2.1 times the limit)
|
Jan 1, 2011 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 19.93 pCi/L, federal limit 5 pCi/L (4 times the limit)
|
Oct 1, 2010 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 36.5 pCi/L, federal limit 15 pCi/L (2.4 times the limit)
|
Oct 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2010 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 19.95 pCi/L, federal limit 5 pCi/L (4 times the limit)
|
Jul 1, 2010 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 36.25 pCi/L, federal limit 15 pCi/L (2.4 times the limit)
|
Jul 1, 2010 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 39.55 pCi/L, federal limit 15 pCi/L (2.6 times the limit)
|
Apr 1, 2010 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 19.85 pCi/L, federal limit 5 pCi/L (4 times the limit)
|
Apr 1, 2010 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 28.95 pCi/L, federal limit 15 pCi/L (1.9 times the limit)
|
Jan 1, 2010 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 15.6 pCi/L, federal limit 5 pCi/L (3.1 times the limit)
|
Jan 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2009 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 15.1 pCi/L, federal limit 5 pCi/L (3 times the limit)
|
Oct 1, 2009 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 29.29 pCi/L, federal limit 15 pCi/L (2 times the limit)
|
Oct 1, 2009 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2009 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 22.23 pCi/L, federal limit 5 pCi/L (4.4 times the limit)
|
Jul 1, 2009 | Resolved |
68 older violations are not listed here. EPA ECHO has the complete list.
Enforcement actions
Missouri regulators took 3 formal enforcement actions against Farmington PWS between 2005 and 2016. The most recent was a compliance order with a penalty in February 2016.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Feb 22, 2016 | Missouri | Compliance order with a penalty | 36 violations (33 health-based): Gross Alpha, Excl. Radon and U, Combined Radium (-226 and -228), Total Coliform, E. coli |
| Dec 3, 2007 | Missouri | Compliance order (no penalty) | 79 violations (78 health-based): Gross Alpha, Excl. Radon and U, Combined Radium (-226 and -228), Total Coliform, E. coli |
| Nov 21, 2005 | Missouri | Compliance order (no penalty) | 54 violations (53 health-based): Gross Alpha, Excl. Radon and U, Combined Radium (-226 and -228), E. coli |
What the violations mean
Combined Radium (-226 and -228)
2 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
Farmington PWS draws water from 15 wells (2 of them for emergency, seasonal or other part-time use). 1 other public water system has an emergency connection to Farmington PWS.
Annual water quality report
Farmington 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.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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