Public water system record
Union County Water System
Serves an area of Union County, NC that includes Monroe, Unionville, Fairview and 10 more places · 167,554 people served
Federal records show 2 health-based violations and 2 monitoring/reporting issues for Union County Water System in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 2
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 2
Key facts
- Union County Water System draws water from 1 surface water intake.
- Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.066 mg/L, federal limit 0.06 mg/L (1.1 times the limit), 2017.
- Most recent formal enforcement: compliance order (no penalty) by North Carolina, March 2020.
- Record on file since 1980, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 62,976 service lines.
Check whether Union County Water System 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 |
|---|---|---|---|---|
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Mar 1, 2020 | Resolved | Yes |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.066 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
220 | Jul 1, 2017 | 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, 2024 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Oct 11, 2018 | Resolved |
Full record since 1980
EPA's records for Union County Water System go back to 1980. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 7 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 3 |
| 1990s | 1 | 0 |
| 2000s | 2 | 3 |
| 2010 to October 18, 2016 | 0 | 1 |
| October 19, 2016 to 2019 | 1 | 1 |
| 2020s | 1 | 1 |
Most recent health-based violation before October 19, 2016: Haloacetic Acids (HAA5), began October 2003, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.06596 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
Oct 1, 2003 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.06327 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
Jul 1, 2003 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1993 | Resolved |
Enforcement actions
North Carolina regulators took 4 formal enforcement actions against Union County Water System and issued 1 boil water order between 2009 and 2020. The most recent was a compliance order (no penalty) in March 2020.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Mar 12, 2020 | North Carolina | Compliance order (no penalty) | 1 violation (1 health-based): Revised Total Coliform Rule |
| Mar 12, 2020 | North Carolina | Boil water order | 1 violation (1 health-based): Revised Total Coliform Rule |
| Oct 27, 2017 | North Carolina | Compliance order (no penalty) | 1 violation (1 health-based): Haloacetic Acids (HAA5) |
| Apr 4, 2011 | North Carolina | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Nov 3, 2009 | North Carolina | Compliance order with a penalty | 1 violation: Total Coliform |
What the violations mean
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
Haloacetic Acids (HAA5)
1 incidentHaloacetic acid byproducts exceeded the federal limit
Long-term exposure to HAAs may increase cancer risk
Where the water comes from
Union County Water System draws water from 1 surface water intake. It also buys water from Catawba River WSP and Lancaster County W&SD. It also has emergency connections to Anson County Water System, Charlotte Water and City of Monroe. 4 other community water systems buy water from Union County Water System.
Buys water from
- Catawba River WSP Van Wyck, SC
- Lancaster County W&SD Lancaster, SC
Emergency or part-time connections to
- Anson County Water System Wadesboro, NC
- Charlotte Water Charlotte, NC
- City of Monroe Monroe, NC
Community systems that buy water from it
- City of Monroe Monroe, NC
- Glencroft S/D Wingate, NC
- Inman Campobello W/D Inman, SC
- Town of Wingate Wingate, NC
Annual water quality report
Union County Water System 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 North Carolina.
Certified drinking water labs by state EPA guidance for private wells