Ramona Municipal Wd

Published drinking-water records and contacts for Ramona Municipal Wd. System CA3710019. Review sources and dates; not a real-time water assessment.

System ID: CA3710019
State or territory: CA
Published population served: 37047
System type (source code): CWS

Published records and dates

PFAS / lithium (EPA UCMR 5): 120 — 2023-04-19 – 2024-01-17
Lead and copper monitoring summaries: 25 — 1992-01-01 – 2025-12-31
California DDW laboratory results: 88 — 2026-02-04 – 2026-05-06

Missing records here do not mean the provider did not test. Published records are not a real-time assessment of your tap water.

Published testing results

Selected recent records are shown below. Different sampling locations and dates are not interchangeable. These excerpts are not a complete testing history.

“<” means below the stated reporting limit, not zero. A reported measurement alone is not a safety verdict. Read an example

EPA UCMR 5 — most recent imported sample per substance
Substance	Published result	Reporting limit	Sample date	Sampling location
11Cl-PF3OUdS	< 0.005 µg/L	0.005 µg/L	2024-01-17	Poway Intertie / EP001
4:2 FTS	< 0.003 µg/L	0.003 µg/L	2024-01-17	Poway Intertie / EP001
6:2 FTS	< 0.005 µg/L	0.005 µg/L	2024-01-17	Poway Intertie / EP001
8:2 FTS	< 0.005 µg/L	0.005 µg/L	2024-01-17	Poway Intertie / EP001
9Cl-PF3ONS	< 0.002 µg/L	0.002 µg/L	2024-01-17	Poway Intertie / EP001
ADONA	< 0.003 µg/L	0.003 µg/L	2024-01-17	Poway Intertie / EP001
HFPO-DA	< 0.005 µg/L	0.005 µg/L	2024-01-17	Poway Intertie / EP001
NEtFOSAA	< 0.005 µg/L	0.005 µg/L	2024-01-17	Poway Intertie / EP001
NFDHA	< 0.02 µg/L	0.02 µg/L	2024-01-17	Poway Intertie / EP001
NMeFOSAA	< 0.006 µg/L	0.006 µg/L	2024-01-17	Poway Intertie / EP001
PFBA	< 0.005 µg/L	0.005 µg/L	2024-01-17	Poway Intertie / EP001
PFBS	< 0.003 µg/L	0.003 µg/L	2024-01-17	Poway Intertie / EP001
PFDA	< 0.003 µg/L	0.003 µg/L	2024-01-17	Poway Intertie / EP001
PFDoA	< 0.003 µg/L	0.003 µg/L	2024-01-17	Poway Intertie / EP001
PFEESA	< 0.003 µg/L	0.003 µg/L	2024-01-17	Poway Intertie / EP001
PFHpA	< 0.003 µg/L	0.003 µg/L	2024-01-17	Poway Intertie / EP001
PFHpS	< 0.003 µg/L	0.003 µg/L	2024-01-17	Poway Intertie / EP001
PFHxA	< 0.003 µg/L	0.003 µg/L	2024-01-17	Poway Intertie / EP001
PFHxS	< 0.003 µg/L	0.003 µg/L	2024-01-17	Poway Intertie / EP001
PFMBA	< 0.003 µg/L	0.003 µg/L	2024-01-17	Poway Intertie / EP001
PFMPA	< 0.004 µg/L	0.004 µg/L	2024-01-17	Poway Intertie / EP001
PFNA	< 0.004 µg/L	0.004 µg/L	2024-01-17	Poway Intertie / EP001
PFOA	< 0.004 µg/L	0.004 µg/L	2024-01-17	Poway Intertie / EP001
PFOS	< 0.004 µg/L	0.004 µg/L	2024-01-17	Poway Intertie / EP001
PFPeA	< 0.003 µg/L	0.003 µg/L	2024-01-17	Poway Intertie / EP001
PFPeS	< 0.004 µg/L	0.004 µg/L	2024-01-17	Poway Intertie / EP001
PFTA	< 0.008 µg/L	0.008 µg/L	2024-01-17	Poway Intertie / EP001
PFTrDA	< 0.007 µg/L	0.007 µg/L	2024-01-17	Poway Intertie / EP001
PFUnA	< 0.002 µg/L	0.002 µg/L	2024-01-17	Poway Intertie / EP001
lithium	< 9 µg/L	9 µg/L	2024-01-17	Poway Intertie / EP001

Download all EPA UCMR 5 records (CSV)

Lead and copper: 90th-percentile summaries

These describe a monitoring period across sampled locations, not the result at your home. How to read the 90th percentile

Eight most recent imported monitoring summaries
Substance	Published 90th percentile	Monitoring period	Source quarter
Lead (PB90)	0.0017 mg/L	2023-01-01 – 2025-12-31	2026Q3
Lead (PB90)	0.0021 mg/L	2020-01-01 – 2022-12-31	2026Q3
Lead (PB90)	0 mg/L	2017-01-01 – 2019-12-31	2026Q3
Lead (PB90)	0 mg/L	2016-07-01 – 2016-12-31	2026Q3
Lead (PB90)	0 mg/L	2016-01-01 – 2016-06-30	2026Q3
Lead (PB90)	0 mg/L	2013-01-01 – 2015-12-31	2026Q3
Lead (PB90)	0 mg/L	2010-01-01 – 2012-12-31	2026Q3
Lead (PB90)	0 mg/L	2007-01-01 – 2009-12-31	2026Q3

Twelve most recent imported state laboratory records
Substance	Published result	Sample date	Location / source
BROMOFORM	2.2 UG/L	2026-05-06	DBPR Sample / California DDW laboratory results
DIBROMOACETIC ACID	1.6 UG/L	2026-05-06	DBPR Sample / California DDW laboratory results
DIBROMOACETIC ACID	1.4 UG/L	2026-05-06	DBPR Sample / California DDW laboratory results
MONOBROMOACETIC ACID	< 1.000000000 UG/L	2026-05-06	DBPR Sample / California DDW laboratory results
BROMOFORM	2.6 UG/L	2026-05-06	DBPR Sample / California DDW laboratory results
DIBROMOCHLOROMETHANE	5.2 UG/L	2026-05-06	DBPR Sample / California DDW laboratory results
DIBROMOCHLOROMETHANE	3.5 UG/L	2026-05-06	DBPR Sample / California DDW laboratory results
CHLOROFORM	2.5 UG/L	2026-05-06	DBPR Sample / California DDW laboratory results
DIBROMOACETIC ACID	1.3 UG/L	2026-05-06	DBPR Sample / California DDW laboratory results
TRICHLOROACETIC ACID	< 1.000000000 UG/L	2026-05-06	DBPR Sample / California DDW laboratory results
BROMODICHLOROMETHANE	3.3 UG/L	2026-05-06	DBPR Sample / California DDW laboratory results
BROMODICHLOROMETHANE	3.5 UG/L	2026-05-06	DBPR Sample / California DDW laboratory results

State sampling points can include untreated water. Publisher qualifiers and units are retained; consult the full source notes before interpreting a record.

Download state records with source notes (CSV)

Published compliance history

0 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.

Source dates and refresh checks

A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.

EPA SDWIS lead/copper summaries and service areas — source period: — – —; last checked: 2026-10-17
EPA SDWIS contacts and compliance records — source period: — – —; last checked: 2026-10-17
EPA UCMR 5 sample results — source period: 2023-01-03 – 2026-06-17; last checked: 2026-10-17
California DDW laboratory results — last successful check: 2026-10-17

Administrative contact (EPA filing)

Wolski, Erica: 760-788-2214

An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.

Official state resources · How to read these records