Quincy Water Department City Of, WA
Lead detected, under the action levels
Latest 90th-percentile lead: 2.5 ppb (monitoring period 2023-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
About Quincy Water Department City Of
Quincy Water Department City Of serves about 8,415 people through 2,763 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Grant County, Washington. EPA system ID: WA5370450. Ask the utility on your bill for your address in their service line inventory.
Every lead result on file
That is up 1.4 ppb from 1.1 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Quincy Water Department City Of is 2.5 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 2.5 ppb |
| 2022 | 1.1 ppb |
| 2021 | 0.6 ppb |
| 2018 | 0.9 ppb |
How Quincy Water Department City Of compares
Of the 2,218 Washington systems with a lead result, the median latest reading is 1 ppb; 18 are over 15 ppb right now and 62 have gone over at some point. Quincy Water Department City Of's 2.5 ppb sits at the 77th percentile in Washington and the 78th nationally (higher means more lead).
Nearby utilities
80 other systems share Grant County; 9 of them have a higher latest lead result than Quincy Water Department City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Moses Lake City Of | 32,428 | 3.2 ppb |
| Ephrata Water Department | 8,718 | 0 (not detected) |
| Mattawa City Of | 5,370 | 0 (not detected) |
| Warden City Of | 4,674 | 0 (not detected) |
| Royal City Water | 3,389 | 3 ppb |
| Desert Aire Owner Assn | 2,856 | 1 ppb |
| Soap Lake Water Dept | 2,399 | 0 (not detected) |
| Electric City City Of | 1,812 | 2.6 ppb |
| Sunland Estates Homeowners Assn | 1,480 | 0 (not detected) |
| Grand Coulee Water Dept City Of | 1,428 | 0 (not detected) |
Your move
Test your own tap with a certified lab first-draw sample; Quincy, WA 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 Quincy Water Department City Of 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. What a 90th-percentile result does and does not tell you: how to read a lead result. Systems that went over once often dip back under; here is what that means.