Public water system record
City of Warden
Serves Warden, Grant County, WA · 4,674 people served
Federal records show 1 health-based violation and 18 monitoring/reporting issues for City of Warden 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
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 18
Key facts
- City of Warden draws water from 4 wells.
- Highest measured level in the last 10 years: Nitrate, 12.5 mg/L, federal limit 10 mg/L (1.3 times the limit), 2020.
- Record on file since 1979, with 4 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 805 service lines.
Check whether City of Warden 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 12.5 mg/L, federal limit 10 mg/L (1.3 times the limit)
|
330 | Jan 1, 2020 | Resolved | Yes |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Thallium, Total
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Beryllium, Total
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Antimony, Total
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Selenium
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Nitrite
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Nickel
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Mercury
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
CYANIDE
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Chromium (total)
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Cadmium
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Barium
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2016 | Resolved |
Full record since 1979
EPA's records for City of Warden go back to 1979. Before October 19, 2016 they list 4 health-based violations (4 archived by EPA without a recorded fix) and 68 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 9 |
| 1990s | 2 | 4 |
| 2000s | 2 | 53 |
| 2010 to October 18, 2016 | 0 | 2 |
| October 19, 2016 to 2019 | 0 | 15 |
| 2020s | 1 | 2 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 2000, Archived.
Show all 4 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2000 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2000 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1997 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Oct 1, 1992 | Archived |
What the violations mean
Nitrate
1 incidentNitrate exceeded the federal limit
High nitrate is especially dangerous for infants under 6 months and can cause blue baby syndrome
Where the water comes from
City of Warden draws water from 4 wells.
Annual water quality report
City of Warden 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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 Washington.
Certified drinking water labs by state EPA guidance for private wells