Public water system record
Great Oaks WC Inc
Serves San Jose, Santa Clara County, CA · 110,088 people served
Federal records show no health-based violations and no monitoring or reporting issues for Great Oaks WC Inc 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
- 0
Key facts
- Great Oaks WC Inc draws water from 22 wells (3 of them for emergency, seasonal or other part-time use).
- Most recent formal enforcement: compliance order (no penalty) by California, April 2015.
- Record on file since 1992, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 21,508 service lines.
Check whether Great Oaks WC 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.
None since October 2016, and no monitoring or reporting violations either.
Full record since 1992
EPA's records for Great Oaks WC Inc go back to 1992. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 0 |
| 2000s | 0 | 2 |
| 2010 to October 18, 2016 | 2 | 0 |
Most recent health-based violation before October 19, 2016: Total Coliform, began March 2015, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1992 | Resolved |
Enforcement actions
California regulators took 2 formal enforcement actions against Great Oaks WC Inc between 2013 and 2015. The most recent was a compliance order (no penalty) in April 2015.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Apr 23, 2015 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Oct 14, 2013 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
Where the water comes from
Great Oaks WC Inc draws water from 22 wells (3 of them for emergency, seasonal or other part-time use). It also has an emergency connection to San Jose Water. 1 other community water system and 1 smaller public system such as schools, businesses or campgrounds buy water from Great Oaks WC Inc.
Emergency or part-time connections to
- San Jose Water San Jose, CA
Community systems that buy water from it
- Santa Teresa Meadows Water Company Coyote, CA
Annual water quality report
Great Oaks WC 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 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