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Tap water quality report

Clackamas River Water

EPA monitoring tested this supplier for 102 contaminants and detected 10. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

102
contaminants tested
10
detected
29,918
people served
4
health-based violations
Oregon rankingsLead in OregonPFAS in Oregon
Water source
Surface water
Ownership
Local government
Counties served
Clackamas

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.

4
health-based violations
81
violations on file
0
still open
ViolationTypeStatusPeriod
MCL Health-based Resolved 1996-07-01 → 1996-07-31
MCL Health-based Resolved 1996-07-01 → 1996-07-31
MCL Health-based Resolved 1996-07-01 → 1996-07-31
MCL Health-based Resolved 1996-07-01 → 1996-07-31
MR Monitoring Resolved 2025-07-01
MR Monitoring Resolved 2025-01-01
Other Monitoring Resolved 2023-07-01
MR Monitoring Resolved 2023-07-01
MR Monitoring Resolved 2017-08-01 → 2017-08-31
MR Monitoring Resolved 2017-08-01 → 2017-08-31

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 single worst sample on record — over 100% is worth reading, but is not by itself a violation. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
TTHM
55.6 µg/L 70%
of the EPA limit 80 µg/L
 128/128 SYR4 2012–2019
Total Haloacetic Acids (HAA5)
56.9 µg/L 95%
of the EPA limit 60 µg/L
 128/128 SYR4 2012–2019
Lead
256 µg/L 1707%
of the EPA limit, in the worst sample — 15 µg/L
 98/303 SYR4 2012–2018
Copper
97 µg/L 7.5%
of the EPA limit 1300 µg/L
 48/303 SYR4 2012–2018
Lead
0.0017 mg/L 12%
of the EPA limit 0.0150 mg/L
 26/26 LCR 2025
Nitrate
700 µg/L 7%
of the EPA limit 10000 µg/L
 10/16 SYR4 2012–2019
Nitrate-Nitrite
700 µg/L 7%
of the EPA limit 10000 µg/L
 5/8 SYR4 2012–2019
Barium
4.35 µg/L 0.2%
of the EPA limit 2000 µg/L
 2/8 SYR4 2012–2019
Nitrite
58.1 µg/L 5.8%
of the EPA limit 1000 µg/L
 2/8 SYR4 2012–2019
Gross Alpha, Excl. Radon And U
4.5 pCi/L 30%
of the EPA limit 15 pCi/L
 1/2 SYR4 2012–2017
92 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP2,4-D4:2 Fts6:2 Fts8:2 Fts9Cl-PF3ONSAdonaAntimony, TotalArsenicAtrazineBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalChlorobenzeneCyanideCadmiumCarbofuranCarbon TetrachlorideChlordaneChromiumCombined Radium (-226 And -228)Combined UraniumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDinosebDiquatEthylene DibromideEndothallEndrinEthylbenzeneFluorideGlyphosateHexachlorobenzeneHfpo-DaHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorNetfosaaNfdhaNmefosaaOxamylPfbaPFBSPfdaPfdoaPfeesaPfhpaPfhpsPfhxaPFHXSPfmbaPfmpaPFNAPFOAPFOSPfpeaPfpesPftaPftrdaPfunaPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneLithiumO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
CLACKAMAS RIVER WATER
Phone
503-722-9247
Email
ap@crwater.com

Frequently asked questions about Clackamas River Water

Is Clackamas River Water tap water safe to drink?

EPA monitoring detected 10 contaminants in Clackamas River Water'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 Clackamas River Water's water?

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

How many people does Clackamas River Water serve?

Clackamas River Water reports serving 29,918 people in Oregon, per its EPA record.

Has Clackamas River Water had any water quality violations?

The EPA has 81 violations on file for Clackamas River Water, of which 4 are 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.