Rowland Water District

Published drinking-water records and contacts for Rowland Water District. System CA1910194. Review sources and dates; not a real-time water assessment.

System ID: CA1910194
State or territory: CA
Published population served: 56100
System type (source code): CWS

Published records and dates

PFAS / lithium (EPA UCMR 5): 420 — 2023-02-15 – 2023-11-15
Lead and copper monitoring summaries: 45 — 1992-01-01 – 2024-12-31
California DDW laboratory results: 178 — 2026-01-12 – 2026-06-01

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	2023-11-15	PM 9 Meter / 1910194003
4:2 FTS	< 0.003 µg/L	0.003 µg/L	2023-11-15	PM 9 Meter / 1910194003
6:2 FTS	< 0.005 µg/L	0.005 µg/L	2023-11-15	PM 9 Meter / 1910194003
8:2 FTS	< 0.005 µg/L	0.005 µg/L	2023-11-15	PM 9 Meter / 1910194003
9Cl-PF3ONS	< 0.002 µg/L	0.002 µg/L	2023-11-15	PM 22 Meter / 1910194002
ADONA	< 0.003 µg/L	0.003 µg/L	2023-11-15	PM 9 Meter / 1910194003
HFPO-DA	< 0.005 µg/L	0.005 µg/L	2023-11-15	PM 22 Meter / 1910194002
NEtFOSAA	< 0.005 µg/L	0.005 µg/L	2023-11-15	PM 9 Meter / 1910194003
NFDHA	< 0.02 µg/L	0.02 µg/L	2023-11-15	PM 9 Meter / 1910194003
NMeFOSAA	< 0.006 µg/L	0.006 µg/L	2023-11-15	PM 22 Meter / 1910194002
PFBA	< 0.005 µg/L	0.005 µg/L	2023-11-15	TVMWD Intertie / 1910194001
PFBS	< 0.003 µg/L	0.003 µg/L	2023-11-15	TVMWD Intertie / 1910194001
PFDA	< 0.003 µg/L	0.003 µg/L	2023-11-15	TVMWD Intertie / 1910194001
PFDoA	< 0.003 µg/L	0.003 µg/L	2023-11-15	PM 22 Meter / 1910194002
PFEESA	< 0.003 µg/L	0.003 µg/L	2023-11-15	PM 22 Meter / 1910194002
PFHpA	< 0.003 µg/L	0.003 µg/L	2023-11-15	TVMWD Intertie / 1910194001
PFHpS	< 0.003 µg/L	0.003 µg/L	2023-11-15	PM 9 Meter / 1910194003
PFHxA	< 0.003 µg/L	0.003 µg/L	2023-11-15	TVMWD Intertie / 1910194001
PFHxS	< 0.003 µg/L	0.003 µg/L	2023-11-15	PM 9 Meter / 1910194003
PFMBA	< 0.003 µg/L	0.003 µg/L	2023-11-15	TVMWD Intertie / 1910194001
PFMPA	< 0.004 µg/L	0.004 µg/L	2023-11-15	PM 22 Meter / 1910194002
PFNA	< 0.004 µg/L	0.004 µg/L	2023-11-15	PM 22 Meter / 1910194002
PFOA	< 0.004 µg/L	0.004 µg/L	2023-11-15	PM 22 Meter / 1910194002
PFOS	< 0.004 µg/L	0.004 µg/L	2023-11-15	PM 22 Meter / 1910194002
PFPeA	< 0.003 µg/L	0.003 µg/L	2023-11-15	TVMWD Intertie / 1910194001
PFPeS	< 0.004 µg/L	0.004 µg/L	2023-11-15	TVMWD Intertie / 1910194001
PFTA	< 0.008 µg/L	0.008 µg/L	2023-11-15	PM 22 Meter / 1910194002
PFTrDA	< 0.007 µg/L	0.007 µg/L	2023-11-15	PM 9 Meter / 1910194003
PFUnA	< 0.002 µg/L	0.002 µg/L	2023-11-15	PM 9 Meter / 1910194003
lithium	< 9 µg/L	9 µg/L	2023-11-15	TVMWD Intertie / 1910194001

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 mg/L	2022-01-01 – 2024-12-31	2026Q3
Lead (PB90)	0 mg/L	2019-01-01 – 2021-12-31	2026Q3
Lead (PB90)	0 mg/L	2016-01-01 – 2018-12-31	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	2012-01-01 – 2012-12-31	2026Q3
Lead (PB90)	0.005 mg/L	2007-01-01 – 2009-12-31	2026Q3
Lead (PB90)	0.009 mg/L	2004-01-01 – 2006-12-31	2026Q3

Twelve most recent imported state laboratory records
Substance	Published result	Sample date	Location / source
MONOBROMOACETIC ACID	< 1.000000000 UG/L	2026-06-01	DBPR Sample / California DDW laboratory results
MONOBROMOACETIC ACID	< 1.000000000 UG/L	2026-06-01	DBPR Sample / California DDW laboratory results
CHLOROFORM	15.4 UG/L	2026-06-01	DBPR Sample / California DDW laboratory results
CHLOROFORM	15.7 UG/L	2026-06-01	DBPR Sample / California DDW laboratory results
BROMOFORM	1.6 UG/L	2026-06-01	DBPR Sample / California DDW laboratory results
DIBROMOACETIC ACID	1.4 UG/L	2026-06-01	DBPR Sample / California DDW laboratory results
TOTAL HALOACETIC ACIDS (HAA5)	13.7 UG/L	2026-06-01	DBPR Sample / California DDW laboratory results
TTHM	29.1 UG/L	2026-06-01	DBPR Sample / California DDW laboratory results
BROMOFORM	1.8 UG/L	2026-06-01	DBPR Sample / California DDW laboratory results
DIBROMOCHLOROMETHANE	9.7 UG/L	2026-06-01	DBPR Sample / California DDW laboratory results
MONOCHLOROACETIC ACID	< 2.000000000 UG/L	2026-06-01	DBPR Sample / California DDW laboratory results
BROMODICHLOROMETHANE	11.8 UG/L	2026-06-01	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)

Moisio, Dusty: 562-697-1726

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