Klamath C.S.D., CA
Exceeded the action level in the past
Latest 90th-percentile lead: 5.7 ppb (monitoring period 2022-2024). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Who runs the water here
Klamath C.S.D. serves about 240 people through 67 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Del Norte County, California. EPA system ID: CA0800548; phone on file: 707-482-0723. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
Against the period ending 2024 (5.7 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Klamath C.S.D. is 21.95 ppb across 4 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 5.7 ppb |
| 2024 | 5.7 ppb |
| 2021 | 21.95 ppb over 15 |
| 2018 | 8.2 ppb |
Against other California systems
Of the 2,884 California systems with a lead result, the median latest reading is 0 ppb; 30 are over 15 ppb right now and 215 have gone over at some point. Klamath C.S.D.'s 5.7 ppb sits at the 93rd percentile in California and the 92nd nationally (higher means more lead).
Neighbouring systems
15 other systems share Del Norte County; 0 of them have a higher latest lead result than Klamath C.S.D.. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Crescent City | 15,202 | 3.01 ppb |
| Bertsch Ocean View Csd | 2,669 | 0 (not detected) |
| Smith River C.S.D. | 2,568 | 4.05 ppb |
| Gasquet C.S.D. | 657 | 0.74 ppb |
| Big Rock C.S.D. | 513 | 0 (not detected) |
| Northcrest Mobile Home Park | 250 | 1.18 ppb |
| Redwood Park C.S.D. | 200 | 4.2 ppb |
| Hrc C.S.D. | 185 | 3.35 ppb |
| Pine Grove Mobile Home Park | 142 | 0 (not detected) |
| Las Palmas Mobile Home Park | 120 | 0 (not detected) |
Next steps for Klamath, CA
Test your own tap with a certified lab first-draw sample; Klamath, CA may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Klamath C.S.D. whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1655 ppb (copper action level 1,300 ppb).
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. The lead result guide covers how utilities pick the homes they sample. More in what a past exceedance means today.