Public water system record
City of Delano
Serves Delano, Kern County, CA · 51,428 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for City of Delano in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- City of Delano draws water from 15 wells (2 of them for emergency, seasonal or other part-time use).
- Most recent formal enforcement: compliance order (no penalty) by EPA, September 2008.
- Record on file since 1980, with 42 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 10,321 service lines.
Check whether City of Delano 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.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2002 | Resolved |
Full record since 1980
EPA's records for City of Delano go back to 1980. Before October 19, 2016 they list 42 health-based violations (30 resolved, 12 archived by EPA without a recorded fix) and 4 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 12 | 0 |
| 1990s | 3 | 0 |
| 2000s | 15 | 3 |
| 2010 to October 18, 2016 | 12 | 1 |
Most recent health-based violation before October 19, 2016: Arsenic, began October 2012, Resolved.
Show all 42 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Arsenic
Contaminant limit exceeded
Measured 0.032 mg/L, federal limit 0.01 mg/L (3.2 times the limit)
|
Oct 1, 2012 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0318 mg/L, federal limit 0.01 mg/L (3.2 times the limit)
|
Jul 1, 2012 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0303 mg/L, federal limit 0.01 mg/L (3 times the limit)
|
Apr 1, 2012 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0298 mg/L, federal limit 0.01 mg/L (3 times the limit)
|
Jan 1, 2012 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0313 mg/L, federal limit 0.01 mg/L (3.1 times the limit)
|
Oct 1, 2011 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0315 mg/L, federal limit 0.01 mg/L (3.2 times the limit)
|
Jul 1, 2011 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.032 mg/L, federal limit 0.01 mg/L (3.2 times the limit)
|
Apr 1, 2011 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0328 mg/L, federal limit 0.01 mg/L (3.3 times the limit)
|
Jan 1, 2011 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0315 mg/L, federal limit 0.01 mg/L (3.2 times the limit)
|
Oct 1, 2010 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0323 mg/L, federal limit 0.01 mg/L (3.2 times the limit)
|
Jul 1, 2010 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.033 mg/L, federal limit 0.01 mg/L (3.3 times the limit)
|
Apr 1, 2010 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0318 mg/L, federal limit 0.01 mg/L (3.2 times the limit)
|
Jan 1, 2010 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0338 mg/L, federal limit 0.01 mg/L (3.4 times the limit)
|
Oct 1, 2009 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0359 mg/L, federal limit 0.01 mg/L (3.6 times the limit)
|
Jul 1, 2009 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0334 mg/L, federal limit 0.01 mg/L (3.3 times the limit)
|
Apr 1, 2009 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0323 mg/L, federal limit 0.01 mg/L (3.2 times the limit)
|
Jan 1, 2009 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0315 mg/L, federal limit 0.01 mg/L (3.2 times the limit)
|
Oct 1, 2008 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0323 mg/L, federal limit 0.01 mg/L (3.2 times the limit)
|
Jul 1, 2008 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0253 mg/L, federal limit 0.01 mg/L (2.5 times the limit)
|
Apr 1, 2008 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0229 mg/L, federal limit 0.01 mg/L (2.3 times the limit)
|
Jan 1, 2008 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.033 mg/L, federal limit 0.01 mg/L (3.3 times the limit)
|
Oct 1, 2007 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0338 mg/L, federal limit 0.01 mg/L (3.4 times the limit)
|
Jul 1, 2007 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0349 mg/L, federal limit 0.01 mg/L (3.5 times the limit)
|
Apr 1, 2007 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0346 mg/L, federal limit 0.01 mg/L (3.5 times the limit)
|
Jan 1, 2007 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0285 mg/L, federal limit 0.01 mg/L (2.9 times the limit)
|
Oct 1, 2006 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.022 mg/L, federal limit 0.01 mg/L (2.2 times the limit)
|
Jul 1, 2006 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.033 mg/L, federal limit 0.01 mg/L (3.3 times the limit)
|
Apr 1, 2006 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 1998 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1992 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1992 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jun 1, 1983 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
May 1, 1983 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 1983 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Mar 1, 1983 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Feb 1, 1983 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 1983 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Dec 1, 1982 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Nov 1, 1982 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1982 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1981 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 30, 1980 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1980 | Archived |
Enforcement actions
EPA took 1 formal enforcement action against City of Delano in 2008. The most recent was a compliance order (no penalty) in September 2008.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Sep 25, 2008 | EPA | Compliance order (no penalty) | 27 violations (27 health-based): Arsenic |
Where the water comes from
City of Delano draws water from 15 wells (2 of them for emergency, seasonal or other part-time use).
Annual water quality report
City of Delano 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 California.
Certified drinking water labs by state EPA guidance for private wells