Superior Lead Service Line Replacement Program
Superior Water Light & Power Company serves about 26,084 people and reported 4,497 lead and 113 galvanized service lines that must be replaced, out of 10,710 lines, in EPA's Q3 2026 inventory, plus 360 lines of unknown material. Here's who pays to replace yours, what it costs, and how to sign up.
No cost to residents (city + SWL&P deal)
Under a June 2025 agreement, the City of Superior manages customer-side lead line replacement and Superior Water, Light & Power reimburses the city up to the state principal forgiveness it receives; the city committed to cover the rest so customers pay nothing out of pocket. A 2025 state law (Act 8) made this privately owned utility eligible for forgiveness. About 800 residential lines need replacing.
How to get it
- Check SWL&P's lead service line locator.
- Notify the City of Superior if you have a lead line.
- Sign the access agreement when scheduled.
Sources: civicmedia.us, wpr.org
Lead lines in Superior
The most recent 90th-percentile lead result EPA lists for this system is 2.9 parts per billion (2026-01 to 2026-06). Under the new federal rule, the action level drops to 10 ppb in 2027. Galvanized lines count if they ever sat downstream of a lead pipe, because they can hold lead particles. Unknown lines must be identified by the utility, and many turn out to be lead.
How Superior compares: it ranks #107 of 7,556 U.S. water systems and #7 of 258 in Wisconsin for lead and galvanized lines. 43.0% of its service lines need replacing, compared with 16.1% across Wisconsin. See the national ranking.
Source: EPA SDWIS Service Line Inventory, Q3 2026 · PWSID WI8160147
Superior lead service line map: check your address
Every water utility had to publish an inventory of its service lines, and most offer an address lookup map. Start with Superior Water Light & Power Company's official lead program page, which links to its lookup or explains how to get your line checked. The status will be lead, galvanized requiring replacement, non-lead or unknown. If it's unknown, you can usually check the pipe yourself and send the utility a photo.
Who pays in Wisconsin?
Wisconsin lets each utility decide. Under a 2017 law, utilities can offer grants or loans to owners for the private side with Public Service Commission approval. The DNR gives municipalities principal forgiveness (money that does not have to be repaid) for private-side work, and since July 2025 state law also allows forgiving loans for lead line projects. Homeowners cannot apply to the DNR directly; the money flows through the city.
The law: Wis. Stat. 196.372 (2017 Act 137). Mandatory? No statewide mandate, but some cities, including Appleton and Milwaukee, require replacement by local ordinance. Funding: Wisconsin DNR Safe Drinking Water Loan Program, lead service line principal forgiveness.
Sources: dnr.wisconsin.gov, codes.findlaw.com
Nationwide, EPA's Lead and Copper Rule Improvements require most utilities to replace every lead and galvanized-requiring-replacement line by December 31, 2037, starting November 1, 2027. Utilities must mail a notice every year to each home with a lead, galvanized or unknown line. See the federal timeline.
What would you pay?
Many utility loans are 0% (enter 0). Private loans run higher. Your real price depends on how far the house sits from the street, digging versus trenchless methods, permits and restoration. This is an estimate, not a quote.
Not covered, or can't wait?
Get up to 3 quotes from licensed plumbers who replace service lines in Superior.
Common questions
Is lead service line replacement free in Superior?
Free. Under a June 2025 agreement, the City of Superior manages customer-side lead line replacement and Superior Water, Light & Power reimburses the city up to the state principal forgiveness it receives; the city committed to cover the rest so customers pay nothing out of pocket.
Is lead service line replacement mandatory in Superior?
No statewide mandate, but some cities, including Appleton and Milwaukee, require replacement by local ordinance.
How much does it cost to replace a lead service line in Superior?
If you qualify for Superior's program, the private side costs you nothing. Most private-side replacements cost about $4,000 to $10,000, and long or difficult lines can run higher. Price depends on the distance from the street to your house, whether the contractor digs a trench or pulls the new pipe through (trenchless), permits, and restoring your lawn, sidewalk or basement wall. That's what you'd pay if you replace it on your own or don't qualify.
How do I know if my home has a lead service line?
Look up your address on Superior Water Light & Power Company's service line inventory or check the letter it mailed you. You can also check the pipe where it enters your basement, usually near the meter: lead is dull gray, soft, and turns shiny silver when you scratch it with a key, and a magnet won't stick. Galvanized steel is gray too, but a magnet sticks to it. See our step-by-step guide.
What if I can't afford to replace my lead line?
Ask Superior Water Light & Power Company about income-based help first; federal money often makes replacement free for low-income owners. Other options are utility payment plans, 0% city loans, state revolving fund programs, property tax assessments and home improvement loans. Our guide on paying for replacement lists them.
Who owns the water service line?
In most U.S. cities the utility owns the pipe from the water main to the curb stop or property line, and the property owner owns the rest, into the house. Some utilities, including Minneapolis and many in St. Louis County, treat the whole line as the owner's. Federal rules now require utilities to replace the whole lead line, not just their part.
Other Wisconsin programs
Milwaukee ✓Racine ✓Wauwatosa ✓West Allis ✓Oshkosh ✓Sheboygan ✓Wausau ✓Beloit ✓Neenah ✓Fond Du Lac ✓
Something out of date? Report a change. We recheck program terms at least once a year.