Public water system record
Karval Water Users Inc
Serves an area of Lincoln County, CO · 102 people served
Federal records show 3 health-based violations and 6 monitoring/reporting issues for Karval Water Users Inc in the last ten years. The most serious issue in this window was a resolved Nitrate violation.
System profile
- Health-based violations, last 10 years
- 3
- Resolved
- 3
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 6
Key facts
- Karval Water Users Inc draws water from 1 well.
- Highest measured level in the last 10 years: Nitrate, 12.2 mg/L, federal limit 10 mg/L (1.2 times the limit), 2019.
- Record on file since 1993, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 35 service lines.
Check whether Karval Water Users Inc 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 |
|---|---|---|---|---|
|
Nitrate
Contaminant limit exceeded
Measured 11.6 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
330 | Apr 1, 2019 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 12.2 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
330 | Jan 1, 2019 | Resolved | Yes |
|
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
|
210 | Dec 23, 2016 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Revised Total Coliform Rule
RPT
|
Nov 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Public Notice
OTHER
|
Jun 27, 2019 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jun 25, 2019 | Resolved |
Full record since 1993
EPA's records for Karval Water Users Inc go back to 1993. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 8 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 3 |
| 2000s | 0 | 3 |
| 2010 to October 18, 2016 | 0 | 2 |
| October 19, 2016 to 2019 | 3 | 2 |
| 2020s | 0 | 4 |
Most recent health-based violation before October 19, 2016: Nitrate (acute), began January 1994, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Nitrate (acute)
Contaminant limit exceeded
Measured 13 mg/L, federal limit 10 mg/L (1.3 times the limit)
|
Jan 1, 1994 | Resolved |
What the violations mean
Nitrate
2 incidentsNitrate exceeded the federal limit
High nitrate is especially dangerous for infants under 6 months and can cause blue baby syndrome
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
Where the water comes from
Karval Water Users Inc draws water from 1 well.
Annual water quality report
Karval Water Users Inc 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 Karval Water Users Inc 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 Colorado.
Certified drinking water labs by state EPA guidance for private wells