Public water system record
John Hovannisian Water System
Serves North Fork, Madera County, CA · 80 people served
Federal records show 1 health-based violation and 121 monitoring/reporting issues for John Hovannisian Water System in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
Source water
Groundwater
ZIP
93701
EPA system ID
CA2000647
- Health-based violations, last 10 years
- 1
- Resolved
- 0
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 121
Key facts
- John Hovannisian Water System draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
- Most recent formal enforcement: compliance order (no penalty) by EPA, March 2026.
- Record on file since 1984, with 3 health-based violations before October 20, 2016.
Check whether John Hovannisian Water System 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 |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 |
Active
Enforcement action in place
|
No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 |
Active
Enforcement action in place
|
|
Nitrate
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Selenium
Monitoring and reporting
|
Jan 2, 2022 | Resolved |
|
Thallium, Total
Monitoring and reporting
|
Jan 2, 2022 | Resolved |
|
Beryllium, Total
Monitoring and reporting
|
Jan 2, 2022 | Resolved |
|
Antimony, Total
Monitoring and reporting
|
Jan 2, 2022 | Resolved |
|
Nitrite
Monitoring and reporting
|
Jan 2, 2022 | Resolved |
|
Nickel
Monitoring and reporting
|
Jan 2, 2022 | Resolved |
|
Mercury
Monitoring and reporting
|
Jan 2, 2022 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 2, 2022 | Resolved |
|
Chromium (total)
Monitoring and reporting
|
Jan 2, 2022 | Resolved |
|
Cadmium
Monitoring and reporting
|
Jan 2, 2022 | Resolved |
|
Barium
Monitoring and reporting
|
Jan 2, 2022 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 2, 2022 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Jan 1, 2022 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Chlordane
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
2,3,7,8-TCDD
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
LASSO
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Picloram
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Simazine
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Endothall
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Diquat
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Endrin
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Aug 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2020 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2011 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
Styrene
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
Toluene
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
Benzene
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
Selenium
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
Thallium, Total
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
Beryllium, Total
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
Antimony, Total
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
Nitrite
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
Nickel
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
Mercury
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
Chromium (total)
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
Cadmium
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
Barium
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2009 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Nitrite
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
2,3,7,8-TCDD
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
LASSO
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Picloram
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Simazine
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Endothall
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Diquat
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Endrin
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
Full record since 1984
EPA's records for John Hovannisian Water System go back to 1984. Before October 20, 2016 they list 3 health-based violations (3 resolved) and 104 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 1 |
| 2000s | 1 | 78 |
| 2010 to October 19, 2016 | 2 | 25 |
| October 20, 2016 to 2019 | 0 | 1 |
| 2020s | 1 | 51 |
Most recent health-based violation before October 20, 2016: Total Coliform, began July 2014, Resolved.
Show all 3 health-based violations before October 20, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2007 | Resolved |
Enforcement actions
California regulators and EPA took 3 formal enforcement actions against John Hovannisian Water System between 2016 and 2026, filed as 13 records in EPA's data. The most recent was a compliance order (no penalty) in March 2026.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Mar 5, 2026 | EPA | Compliance order (no penalty) | 2 violations (1 health-based): LEAD AND COPPER RULE REVISIONS |
| Mar 27, 2018 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Jan 26, 2016 | California | Compliance order (no penalty) | 11 violations: Total Coliform |
What the violations mean
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
John Hovannisian Water System draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
Annual water quality report
John Hovannisian Water System 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 John Hovannisian Water System 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 California.
Certified drinking water labs by state EPA guidance for private wells