Medford Water Commission

Published drinking-water records and contacts for Medford Water Commission. System OR4100513. Review sources and dates; not a real-time water assessment.

System ID: OR4100513
State or territory: OR
Published population served: 106068
System type (source code): CWS

Published records and dates

PFAS / lithium (EPA UCMR 5): 240 — 2023-05-30 – 2024-05-14
Lead and copper monitoring summaries: 25 — 1992-01-01 – 2025-12-31

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

Read the provider’s annual water quality report

Report link listed: 2026-10-12. This is not the report’s sampling date.

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	2024-05-14	Rogue River WTP / 00003
4:2 FTS	< 0.003 µg/L	0.003 µg/L	2024-05-14	Rogue River WTP / 00003
6:2 FTS	< 0.005 µg/L	0.005 µg/L	2024-05-14	Rogue River WTP / 00003
8:2 FTS	< 0.005 µg/L	0.005 µg/L	2024-05-14	Rogue River WTP / 00003
9Cl-PF3ONS	< 0.002 µg/L	0.002 µg/L	2024-05-14	Rogue River WTP / 00003
ADONA	< 0.003 µg/L	0.003 µg/L	2024-05-14	Rogue River WTP / 00003
HFPO-DA	< 0.005 µg/L	0.005 µg/L	2024-05-14	Rogue River WTP / 00003
NEtFOSAA	< 0.005 µg/L	0.005 µg/L	2024-05-14	Rogue River WTP / 00003
NFDHA	< 0.02 µg/L	0.02 µg/L	2024-05-14	Rogue River WTP / 00003
NMeFOSAA	< 0.006 µg/L	0.006 µg/L	2024-05-14	Rogue River WTP / 00003
PFBA	< 0.005 µg/L	0.005 µg/L	2024-05-14	Rogue River WTP / 00003
PFBS	< 0.003 µg/L	0.003 µg/L	2024-05-14	Rogue River WTP / 00003
PFDA	< 0.003 µg/L	0.003 µg/L	2024-05-14	Rogue River WTP / 00003
PFDoA	< 0.003 µg/L	0.003 µg/L	2024-05-14	Rogue River WTP / 00003
PFEESA	< 0.003 µg/L	0.003 µg/L	2024-05-14	Rogue River WTP / 00003
PFHpA	< 0.003 µg/L	0.003 µg/L	2024-05-14	Rogue River WTP / 00003
PFHpS	< 0.003 µg/L	0.003 µg/L	2024-05-14	Rogue River WTP / 00003
PFHxA	< 0.003 µg/L	0.003 µg/L	2024-05-14	Rogue River WTP / 00003
PFHxS	< 0.003 µg/L	0.003 µg/L	2024-05-14	Rogue River WTP / 00003
PFMBA	< 0.003 µg/L	0.003 µg/L	2024-05-14	Rogue River WTP / 00003
PFMPA	< 0.004 µg/L	0.004 µg/L	2024-05-14	Rogue River WTP / 00003
PFNA	< 0.004 µg/L	0.004 µg/L	2024-05-14	Rogue River WTP / 00003
PFOA	< 0.004 µg/L	0.004 µg/L	2024-05-14	Rogue River WTP / 00003
PFOS	< 0.004 µg/L	0.004 µg/L	2024-05-14	Rogue River WTP / 00003
PFPeA	< 0.003 µg/L	0.003 µg/L	2024-05-14	Rogue River WTP / 00003
PFPeS	< 0.004 µg/L	0.004 µg/L	2024-05-14	Rogue River WTP / 00003
PFTA	< 0.008 µg/L	0.008 µg/L	2024-05-14	Rogue River WTP / 00003
PFTrDA	< 0.007 µg/L	0.007 µg/L	2024-05-14	Rogue River WTP / 00003
PFUnA	< 0.002 µg/L	0.002 µg/L	2024-05-14	Rogue River WTP / 00003
lithium	< 9 µg/L	9 µg/L	2024-05-14	Rogue River WTP / 00003

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	2023-01-01 – 2025-12-31	2026Q3
Lead (PB90)	0.000539 mg/L	2024-07-01 – 2024-12-31	2026Q3
Lead (PB90)	0.000521 mg/L	2024-01-01 – 2024-06-30	2026Q3
Lead (PB90)	0.00108 mg/L	2020-01-01 – 2022-12-31	2026Q3
Lead (PB90)	0.000908 mg/L	2017-01-01 – 2019-12-31	2026Q3
Lead (PB90)	0.000908 mg/L	2017-01-01 – 2019-12-31	2026Q3
Lead (PB90)	0.000862 mg/L	2014-01-01 – 2016-12-31	2026Q3
Lead (PB90)	0.000862 mg/L	2014-01-01 – 2016-12-31	2026Q3

Published compliance history

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

Twenty most recent imported compliance records
Rule / record	Period	Recorded status	Health-based (EPA classification)	Source quarter
Ground Water Rule / Monitoring of Treatment (SWTR-Unfilt/GWR)	2025-11-01 – 2025-11-30	Resolved	No	2026Q3
Ground Water Rule / Monitoring of Treatment (SWTR-Unfilt/GWR)	2025-11-01 – 2025-11-30	Resolved	No	2026Q3
Consumer Confidence Rule / Consumer Confidence Report Complete Failure to Report	2025-07-01 – —	Resolved	No	2026Q3
Lead and Copper Rule / Initial, Follow-up, or Routine Source Water M/R	2025-07-01 – —	Resolved	No	2026Q3
Lead and Copper Rule / Initial, Follow-up, or Routine Source Water M/R	2025-07-01 – —	Resolved	No	2026Q3
Lead and Copper Rule / Initial, Follow-up, or Routine Source Water M/R	2025-01-01 – —	Resolved	No	2026Q3
Ground Water Rule / Monitoring of Treatment (SWTR-Unfilt/GWR)	2021-12-01 – 2021-12-31	Resolved	No	2026Q3
Revised Total Coliform Rule / Monitoring, Routine (RTCR)	2019-11-01 – 2019-11-30	Resolved	No	2026Q3
Radionuclides and Revised Rad Rule / Monitoring, Regular	1976-06-01 – 1980-05-31	Archived	No	2026Q3
Radionuclides and Revised Rad Rule / Monitoring, Regular	1976-06-01 – 1980-05-31	Archived	No	2026Q3

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

Administrative contact (EPA filing)

Medford Water Commission: 541-774-2742

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