Public water system record
Concord Estates Mobile Home Park
Serves an area of Frederick County, MD · 150 people served
Federal records show 1 health-based violation and no monitoring/reporting issues for Concord Estates Mobile Home Park in the last ten years, including an unresolved Groundwater Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 0
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Concord Estates Mobile Home Park draws water from 2 wells.
- Most recent formal enforcement: compliance order (no penalty) by Maryland, February 2014.
- Record on file since 1994, with 31 health-based violations before October 19, 2016.
Check whether Concord Estates Mobile Home Park 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 | May 1, 2016 | Active | No |
Full record since 1994
EPA's records for Concord Estates Mobile Home Park go back to 1994. Before October 19, 2016 they list 31 health-based violations (30 resolved, 1 not resolved) and 13 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| 2000s | 12 | 6 |
| 2010 to October 18, 2016 | 19 | 6 |
Most recent health-based violation before October 19, 2016: Groundwater Rule, began May 2016, Active.
Show all 31 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
May 1, 2016 | Active |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.6 pCi/L, federal limit 5 pCi/L (1.1 times the limit)
|
Jul 1, 2014 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7.93 pCi/L, federal limit 5 pCi/L (1.6 times the limit)
|
Apr 1, 2014 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 8.1 pCi/L, federal limit 5 pCi/L (1.6 times the limit)
|
Jan 1, 2014 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 8.7 pCi/L, federal limit 5 pCi/L (1.7 times the limit)
|
Oct 1, 2013 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 8.9 pCi/L, federal limit 5 pCi/L (1.8 times the limit)
|
Jul 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2013 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7.9 pCi/L, federal limit 5 pCi/L (1.6 times the limit)
|
Apr 1, 2013 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7.7 pCi/L, federal limit 5 pCi/L (1.5 times the limit)
|
Jan 1, 2013 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 18.9 pCi/L, federal limit 15 pCi/L (1.3 times the limit)
|
Jan 1, 2013 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.76 pCi/L, federal limit 5 pCi/L (1.4 times the limit)
|
Oct 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)
|
Oct 1, 2012 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.5 pCi/L, federal limit 5 pCi/L (1.3 times the limit)
|
Jul 1, 2012 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 20.1 pCi/L, federal limit 15 pCi/L (1.3 times the limit)
|
Jul 1, 2012 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17.1 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
Apr 1, 2012 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Apr 1, 2012 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.7 pCi/L, federal limit 5 pCi/L (1.1 times the limit)
|
Oct 1, 2010 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7.5 pCi/L, federal limit 5 pCi/L (1.5 times the limit)
|
Jul 1, 2010 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Apr 1, 2010 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 18.8 pCi/L, federal limit 15 pCi/L (1.3 times the limit)
|
Oct 1, 2008 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 22.8 pCi/L, federal limit 15 pCi/L (1.5 times the limit)
|
Jul 1, 2008 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.9 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Jul 1, 2008 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.5 pCi/L, federal limit 5 pCi/L (1.1 times the limit)
|
Apr 1, 2008 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 24.3 pCi/L, federal limit 15 pCi/L (1.6 times the limit)
|
Apr 1, 2008 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 24 pCi/L, federal limit 15 pCi/L (1.6 times the limit)
|
Jan 1, 2008 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 23.7 pCi/L, federal limit 15 pCi/L (1.6 times the limit)
|
Jan 1, 2007 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Jan 1, 2007 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7 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 20 pCi/L, federal limit 15 pCi/L (1.3 times the limit)
|
Jan 1, 2005 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Jan 1, 2005 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 8 pCi/L, federal limit 5 pCi/L (1.6 times the limit)
|
Jan 1, 2004 | Resolved |
Enforcement actions
Maryland regulators took 1 formal enforcement action against Concord Estates Mobile Home Park in 2014, filed as 10 records in EPA's data. The most recent was a compliance order (no penalty) in February 2014.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Feb 11, 2014 | Maryland | Compliance order (no penalty) | 10 violations (10 health-based): Combined Radium (-226 and -228) |
What the violations mean
Groundwater Rule
1 incidentThe 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 this violation.
Where the water comes from
Concord Estates Mobile Home Park draws water from 2 wells.
Annual water quality report
Concord Estates Mobile Home Park 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 Concord Estates Mobile Home Park 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 Maryland.
Certified drinking water labs by state EPA guidance for private wells