Cutaway illustration of a water service entering a basement through the foundation to the meter, main shutoff and pressure-reducing valve, beside a corroded galvanized pipe

2F · Felt at the shower · Coon Rapids & north metro

Low water pressure, traced to the cause.

Low water pressure in a north-metro home usually comes from a valve at the meter that isn’t fully open, a failing pressure-reducing valve, clogged aerators, or old galvanized pipe narrowed by rust. AP Plumbing measures the pressure, finds where it drops, and fixes that spot.

Call (612) 245-7341 Signs to watch for

5.0 · 513 Google reviews

What you’re looking atWhere the water comes in

Water service line
The pipe from the curb stop to your house. In Coon Rapids and several nearby cities the homeowner owns it from the curb stop in.
Water meter
Minnesota code puts it inside, near where the supply enters, at least 12 inches above the floor. Coon Rapids’ first low-pressure tip: make sure the valves on both sides of it are fully open.
Main shutoff valve
Code requires a full-way shutoff after the meter so the whole house can be shut off in one place. An old valve that fails partly closed will choke the flow.
Pressure-reducing valve
Required when street pressure tops 80 psi. A failing regulator can drop pressure throughout the house or let it creep too high.
Pressure gauge
A reading at a hose bib or test port tells us the static pressure in seconds, so the fix starts with a number instead of a guess.
Corroded galvanized pipe
Galvanized steel rusts from the inside, shrinking the opening until fixtures barely flow. Replacing those runs is the real fix.

01The short answer

One faucet, or the whole house?

In one paragraph

If one faucet is weak, it’s that faucet’s aerator or cartridge. If the whole house is weak, check that the valves at the meter are fully open, then suspect the pressure-reducing valve or old galvanized pipe. Coon Rapids says that if an outside faucet has good pressure, the problem is inside the home.

Low pressure has a short list of causes. The fastest way to the right fix is finding where the pressure drops: at the street, at the meter, at the regulator, or at the fixture.

How we track it down

A pressure reading at a hose bib or test port
Cold versus hot: weak hot water only points to the water heater’s valves or fittings
The meter valves, the main shutoff and the pressure-reducing valve
Old galvanized lines, kinked supply lines and clogged aerators

When the city is the cause

Hydrant flushing stirs up iron and manganese sediment that can clog aerators and discolor water for a while. Coon Rapids flushes in spring, Fridley twice a year and New Brighton in the fall. Main breaks and city work can also drop pressure; your city’s public works line will know.

02Symptoms

Weak water? Narrow it down.

Where the pressure is low tells you most of what you need to know.

Low water pressure: what you notice → what it usually means
What you notice	What it usually means	How soon to call
Every faucet and shower is weak	A partly closed valve at the meter, a failing pressure-reducing valve, or galvanized pipe narrowed by rust.	This week
One faucet or shower is weak	A clogged aerator or showerhead, or a worn cartridge in that fixture.	When convenient
Only the hot water is weak	Valves or fittings at the water heater, or sediment at the tank outlet.	This week
Pressure dropped suddenly	A leak in the service line or inside the house, or a city main break. With everything off, check whether the meter is moving.	Today
Fine until another fixture runs	Undersized or restricted supply lines, often old galvanized.	When convenient
Pipes bang or the relief valve drips	Pressure may be too high, not too low. Code requires a regulator above 80 psi.	This week
Rusty water along with weak flow	Sediment after city hydrant flushing, or corroding galvanized pipe.	When convenient

03Minnesota field notes

Pressure rules that apply to every house here.

Rules and numbers that apply to homes here, each with its source.

Upper limit
80 psi
When static pressure exceeds 80 psi, Minnesota code requires a pressure-reducing valve with a strainer to bring it down to 80 psi or less.
Source: 2020 Minnesota Plumbing Code §608.2
Lower limit
15 psi
Where the supply can’t deliver at least 15 psi of residual pressure at fixtures, code requires a tank and pump or another way to provide it.
Source: 2020 Minnesota Plumbing Code §608.1
One shutoff
Full-way
A full-way shutoff valve is required on the discharge side of every water meter, so the whole house can be shut off in one place.
Source: 2020 Minnesota Plumbing Code §606.2
Meter location
12 in.
Water meters go inside the building near where the supply enters, at least 12 inches above the finished floor and readily accessible.
Source: Minnesota Rules 4714.0609
Coon Rapids tip
Check valves
Make sure the valves before and after the water meter are fully open. If an outside faucet has good pressure, the problem is inside the home.
Source: City of Coon Rapids FAQ, low water pressure
Who owns what
Curb stop in
In Coon Rapids the property owner owns the service line up to the curb stop; the city maintains the meters.
Source: City of Coon Rapids, service line inventory

Checked October 2026. Codes and city rules change; your permit office has the final word.

04Real work

Pressure problems, found and fixed.

Denis was very quick to arrive when we needed him. Very kind. Helped us with our garbage disposal and easily worked out why our hot water pressure was low. Highly recommend.

Charles R.Google review · Feb 2026

“When the city tried to replace our water meter and we discovered our main shutoff was broken, they scheduled with us next day and coordinated with the city to get water shut off from the street.”
Stephanie S. · Google review · Apr 2026
“He replaced my shower pipes and my seized water main shut off valve. After completion, he showed me his work to make sure everything is working, looking great, and nothing is leaking.”
Mingmo L. · Google review · Mar 2026

Low water pressure questions, answered.

Straight answers, with the source when a rule or number is involved. Still not sure? Call and describe it.

Call (612) 245-7341

What is normal water pressure for a house?

Minnesota’s plumbing code caps static pressure at 80 psi; above that a pressure-reducing valve is required. At the fixtures, code requires at least 15 psi of residual pressure. For a local reference point, Blaine reports an average system pressure of 62 psi.

Source: 2020 Minnesota Plumbing Code §608.1–608.2; City of Blaine water system

Why is my water pressure suddenly low?

A sudden drop usually means a leak, a city main break or work on the water system, or a valve that has failed. With every fixture off, check the water meter; if it’s moving, water is going somewhere. If an outside faucet has good pressure, Coon Rapids says the problem is inside the home.

Who fixes the water line from the street to my house?

In Coon Rapids, the property owner owns the service line up to the curb stop and the city maintains the meter. Blaine and Andover follow the same split. A leak or break between the curb stop and the house is the homeowner’s repair.

Can a pressure-reducing valve go bad?

Yes. A failing pressure-reducing valve can starve the whole house of pressure, or stop regulating and let pressure climb above the 80 psi limit, which shows up as banging pipes or a dripping relief valve. Replacing the regulator fixes both.

Why is only my hot water pressure low?

If the cold side is fine, the restriction is on the hot side: a partly closed valve at the water heater, a clogged fitting or sediment at the tank outlet, or a worn cartridge in a single faucet. One customer’s low hot water pressure was traced and fixed in the same visit as a disposal repair.

06Related

Often the same visit. Often the same wall.

Same service, every stop on the line

Each city page has that city’s own water report numbers, permit rules and sewer-line responsibilities.

07Call us

Call the people who know your house inside out.

(612) 245‑7341

Mon – Sat · 8 AM – 10 PM

Hours: Monday – Saturday, 8 AM – 10 PM · Sunday closed
Address: 12433 Uplander St NW, Coon Rapids, MN 55448
Serving: Coon Rapids and 14 north‑metro cities · see the map