Derby issues its own plumbing permits, and replacing a water heater is permitted work: the 2026 fee schedule lists Water Heater Replacement at $25.
[1] City of Derby · Resolution No. 25-2026 (fees, charges and taxes)Plumber in Derby,dispatched now.
One number for Derby, answered 24/7. Derby is about 10 mi (16.6 km) from downtown Wichita, with 26,606 residents (2025 est.); we route your call to a local plumbing company that serves your ZIP code.
What we know about Derby.
Sources numbered · checked Oct 2026
Derby buys its drinking water from the City of Wichita, so Wichita's water-quality results and advisories apply to Derby homes. Wichita's water measures 7.6 gpg (130 mg/L), rated hard by the USGS.
[2] City of Derby · News Flash: Boil Water Advisory Issued for the City of Derby · 2025 Water Consumer Confidence Report (calendar year 2025)The median Derby home was built in 1991 and 32.4% were built before 1980, so that share of homes may still have older supply or drain lines.
[3] U.S. Census Bureau · ACS 5-year 2020-2024, tables B25035/B25034Derby waives its $25 water heater replacement permit fee when the Building Official finds the work is directly attributable to flood damage.
[4] City of Derby · Resolution No. 25-2026 (fees, charges and taxes)Derby issued a boil-water advisory for all customers on Sept. 16, 2026 after a power loss at Wichita's main plant; the city says its own pressure never dropped.
[5] City of Derby · News Flash: Boil Water Advisory Issued for the City of DerbyDerby checks water heater installs from date-stamped photos of the shut-off valve, T&P valve and flue (gas units), with random audits.
[6] City of Derby · HVAC and Water Heater Photo Inspection RequirementsWhat we dispatch for in Derby.
Wichita-area prices · final price set by the plumber after diagnosis
- 01
Emergency plumbing
Burst pipe, active leak, no water. Shut the main valve, then call.
$50–$300Trip fee · U.S. guide 2026
Call → - 02
Drain cleaning
Kitchen, bath and main-line clogs, cleared and camera-checked.
$75–$150Simple clog · Wichita plumber
Call → - 03
Water heaters
Repair or replacement, tank or tankless, with the MABCD permit pulled.
$1,000–$2,000+Replacement · Wichita plumber
Quote → - 04
Leak detection & repair
Slab, wall and under-sink leaks located before anything is opened.
$150–$300Detection · Wichita plumber
Call → - 05
Sewer line repair
Backups, breaks and root intrusion, scoped on camera before any digging.
$150–$350Camera inspection · Wichita plumber
Quote → - 06
Water line repair
Leaks and breaks on the line from the meter to the house, the owner’s side.
$354–$1,696Main water line leak · U.S. guide 2026
Quote → - 07
Frozen pipes
Frozen or split pipes thawed and repaired. Keep the faucet open; never use a flame.
$200–$3,000Burst pipe repair · U.S. guide 2026
Call → - 08
Toilet & faucet repair
Running toilets, dripping faucets and fixture swaps, grouped into one visit.
$75–$150Simple repair · Wichita plumber
Call →
Wichita and the towns around it.
Every town has its own page, with its own sourced facts.
U.S. Census Bureau population estimates, July 1, 2025 · distance from downtown
Asked in Derby.
Answers checked Oct 2026 · sources under each answer
- Q.01
Do I need a permit to replace a water heater in Derby?
Yes. Derby's 2026 fee schedule lists Water Heater Replacement at $25, and installs are inspected from date-stamped photos of the shut-off valve, T&P valve and flue.
Source: City of Derby · Resolution No. 25-2026; HVAC and Water Heater Photo Inspection Requirements - Q.02
Where does Derby's tap water come from?
From the City of Wichita: Derby says it purchases its water from Wichita, whose April 2025 sample measured 130 mg/L total hardness.
Source: City of Derby · News Flash (2026-09-16); 2025 Water Consumer Confidence Report - Q.03
Was Derby under a boil-water advisory in 2026?
Yes. Derby issued an advisory for all water customers effective Sept. 16, 2026 after power was lost at Wichita's main water treatment plant and Hess pump station.
Source: City of Derby · News Flash: Boil Water Advisory Issued for the City of Derby