Public water system record
Topaz Lake Water Co Inc
Serves Topaz Lake, Douglas County, NV · 40 people served
Federal records show 4 health-based violations and 1 monitoring/reporting issue for Topaz Lake Water Co Inc in the last ten years. The most serious issue in this window was a resolved Tetrachloroethylene violation.
System profile
- Health-based violations, last 10 years
- 4
- Resolved
- 4
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- Topaz Lake Water Co Inc draws water from 4 wells (1 of them for emergency, seasonal or other part-time use).
- Highest measured level in the last 10 years: Tetrachloroethylene, 0.01 mg/L, federal limit 0.005 mg/L (2 times the limit), 2018.
- Most recent formal enforcement: compliance order (no penalty) by Nevada, June 2009.
- Record on file since 1995, with 10 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 24 service lines.
Check whether Topaz Lake Water Co 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 |
|---|---|---|---|---|
|
Tetrachloroethylene
Contaminant limit exceeded
Measured 9 µg/L, federal limit 5 µg/L (1.8 times the limit)
|
310 | Jul 1, 2018 | Resolved | No |
|
Tetrachloroethylene
Contaminant limit exceeded
Measured 8.4 µg/L, federal limit 5 µg/L (1.7 times the limit)
|
310 | Apr 1, 2018 | Resolved | No |
|
Tetrachloroethylene
Contaminant limit exceeded
Measured 0.01 mg/L, federal limit 0.005 mg/L (2 times the limit)
|
310 | Jan 1, 2018 | Resolved | No |
|
Tetrachloroethylene
Contaminant limit exceeded
Measured 0.01 mg/L, federal limit 0.005 mg/L (2 times the limit)
|
310 | Oct 1, 2017 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Nitrate
Monitoring and reporting
|
Apr 1, 2024 | Resolved |
Full record since 1995
EPA's records for Topaz Lake Water Co Inc go back to 1995. Before October 19, 2016 they list 10 health-based violations (10 resolved) and 4 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| 2000s | 4 | 3 |
| 2010 to October 18, 2016 | 6 | 0 |
| October 19, 2016 to 2019 | 4 | 0 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Arsenic, began January 2011, Resolved.
Show all 10 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
|
Jan 1, 2011 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.019 mg/L, federal limit 0.01 mg/L (1.9 times the limit)
|
Oct 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2010 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.039 mg/L, federal limit 0.01 mg/L (3.9 times the limit)
|
Jul 1, 2010 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.032 mg/L, federal limit 0.01 mg/L (3.2 times the limit)
|
Apr 1, 2010 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.032 mg/L, federal limit 0.01 mg/L (3.2 times the limit)
|
Jan 1, 2010 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.033 mg/L, federal limit 0.01 mg/L (3.3 times the limit)
|
Oct 1, 2009 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.027 mg/L, federal limit 0.01 mg/L (2.7 times the limit)
|
Jul 1, 2009 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.035 mg/L, federal limit 0.01 mg/L (3.5 times the limit)
|
Apr 1, 2009 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.043 mg/L, federal limit 0.01 mg/L (4.3 times the limit)
|
Jan 1, 2009 | Resolved |
Enforcement actions
Nevada regulators took 1 formal enforcement action against Topaz Lake Water Co Inc in 2009. The most recent was a compliance order (no penalty) in June 2009.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jun 3, 2009 | Nevada | Compliance order (no penalty) | 9 violations (9 health-based): Arsenic |
What the violations mean
Tetrachloroethylene
4 incidentsTest results for Tetrachloroethylene 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
Topaz Lake Water Co Inc draws water from 4 wells (1 of them for emergency, seasonal or other part-time use).
Annual water quality report
Topaz Lake Water Co 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 Topaz Lake Water Co 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 Nevada.
Certified drinking water labs by state EPA guidance for private wells