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Tap water quality report

South Umpqua Water Association

EPA monitoring tested this supplier for 5 contaminants and detected 5. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

5
contaminants tested
5
detected
575
people served
1
health-based violations
Oregon rankingsLead in OregonPFAS in Oregon
Water source
SWP
Ownership
Private
Counties served
Douglas

Compliance record

Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.

1
health-based violations
32
violations on file
0
still open
ViolationTypeStatusPeriod
MCL Health-based Resolved 1992-09-01 → 1992-09-30
MON Monitoring Resolved 2025-03-01 → 2025-03-31
Other Monitoring Resolved 2023-07-01
MR Monitoring Archived 2023-01-01 → 2025-12-31
MR Monitoring Resolved 2015-01-01 → 2015-03-31
MR Monitoring Resolved 2015-01-01 → 2015-03-31
MR Monitoring Resolved 2012-12-01 → 2012-12-31
MR Monitoring Resolved 2012-12-01 → 2012-12-31
MR Monitoring Resolved 2012-01-01 → 2012-01-31
MR Monitoring Resolved 2012-01-01 → 2012-01-31

Other contaminants detected

Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the 95th percentile of this system's samples — over 100% is worth reading, but is not by itself a violation. Where a single sample came in higher than that percentile, it is noted under the bar. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
TTHM
66.03 µg/L 83%
of the EPA limit 80 µg/L
worst single sample: 77.4 µg/L
27/27 SYR4 2012–2019
Total Haloacetic Acids (HAA5)
44.76 µg/L 75%
of the EPA limit 60 µg/L
worst single sample: 47.5 µg/L
25/27 SYR4 2012–2019
Lead
0.0020 mg/L 13%
of the EPA limit 0.0150 mg/L
 21/21 LCR 2023
Copper
281.8 µg/L 22%
of the EPA limit 1300 µg/L
worst single sample: 403 µg/L
13/20 SYR4 2014–2017
Lead
71.2 µg/L 475%
of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 77 µg/L
5/20 SYR4 2014–2017

Utility contact

Contact
SOUTH UMPQUA WATER ASSOCIATION
Phone
541-874-2387
Email
[email protected]

Frequently asked questions about South Umpqua Water Association

Is South Umpqua Water Association tap water safe to drink?

EPA monitoring detected 5 contaminants in South Umpqua Water Association's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.

What contaminants were detected in South Umpqua Water Association's water?

EPA monitoring detected TTHM, Total Haloacetic Acids (HAA5), Lead, Copper, Lead. The full list with the level and data source for each is above.

How many people does South Umpqua Water Association serve?

South Umpqua Water Association reports serving 575 people in Oregon, per its EPA record.

Has South Umpqua Water Association had any water quality violations?

The EPA has 32 violations on file for South Umpqua Water Association, of which 1 is health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.

Where does this data come from?

Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.