Big Creek Community Serv Dist, CA
Exceeded the action level in the past
Latest 90th-percentile lead: 8.7 ppb (monitoring period 2025-2025). 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.
Big Creek Community Serv Dist at a glance
Big Creek Community Serv Dist serves about 38 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 surface water, in Fresno County, California. EPA system ID: CA1000005; phone on file: 559-974-7271. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
Against the period ending 2025 (8.3 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Big Creek Community Serv Dist is 32.6 ppb across 7 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 8.7 ppb |
| 2025 | 8.3 ppb |
| 2024 | 32.6 ppb over 15 |
| 2023 | 2.9 ppb |
| 2021 | 2.9 ppb |
| 2017 | 8.7 ppb |
| 2016 | 7.1 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. Big Creek Community Serv Dist's 8.7 ppb sits at the 97th percentile in California and the 96th nationally (higher means more lead).
Neighbouring systems
99 other systems share Fresno County; 2 of them have a higher latest lead result than Big Creek Community Serv Dist. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Fresno | 545,970 | 0 (not detected) |
| City Of Clovis | 133,118 | 0 (not detected) |
| City Of Sanger | 26,357 | 0 (not detected) |
| Reedley, City Of | 26,076 | 0 (not detected) |
| Cws - Selma | 25,651 | 0 (not detected) |
| Bakman Water Company | 17,393 | 0 (not detected) |
| Coalinga-City | 17,277 | 0 (not detected) |
| Kerman, City Of | 17,256 | 0 (not detected) |
| Pinedale County Water District | 16,736 | 2.9 ppb |
| City Of Parlier | 14,576 | 0 (not detected) |
Next steps for Big Creek, CA
Test your own tap with a certified lab first-draw sample; Big Creek, 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 Big Creek Community Serv Dist whether it covers that cost before hiring anyone - many utilities now do.
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.