Grafton City Of, ND
Lead detected, under the action levels
Latest 90th-percentile lead: 9.75 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. 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 Grafton City Of
Grafton City Of serves about 4,284 people through 1,890 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 surface water, in Walsh County, North Dakota. EPA system ID: ND5000408; phone on file: 701-352-1561. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
That is down 1.65 ppb from 11.4 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Grafton City Of is 11.4 ppb across 3 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 9.75 ppb |
| 2021 | 11.4 ppb over 10 |
| 2018 | 9.94 ppb |
How Grafton City Of compares
Of the 300 North Dakota systems with a lead result, the median latest reading is 0.91 ppb; 3 are over 15 ppb right now and 20 have gone over at some point. Grafton City Of's 9.75 ppb sits at the 97th percentile in North Dakota and the 97th nationally (higher means more lead).
Nearby utilities
3 other systems share Walsh County; 0 of them have a higher latest lead result than Grafton City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Walsh Rural Water District | 3,000 | 1.54 ppb |
| Park River City Of | 1,403 | 0 (not detected) |
| Minto City Of | 604 | 1.49 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Grafton, ND 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 Grafton 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. The lead result guide covers how utilities pick the homes they sample. Size matters more than most people expect: small vs large water systems.