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Dirty jobs, done like a gentleman.

Grinder pump replacement

Grinder pump replacement is the job for a pump whose motor, stator or cutter is finished, or whose utility now requires a different type. This page covers the systems in Baldwin and Mobile counties where the homeowner is allowed to hire a plumber for it: Fairhope, Gulf Shores, Foley on Riviera Utilities, North Baldwin, Loxley, Daphne and MAWSS.

It does not cover Baldwin County Sewer Service. As of January 1, 2026, every new grinder pump on the BCSS system is bought from BCSS and installed by BCSS. The City of Orange Beach code likewise says installation is by the city only. Repairs on both remain open to you and your plumber.

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Engraving of a gentleman striding along with a gleaming new grinder pump under one arm and a dented old one held out at arm's length.

Plate V. Out with the old, held at the distance it deserves.

When replacement beats repair

Replace when the motor has failed electrically, when the stator or cutter is worn to the point that the pump cannot reach the pressure the main needs, when the pump has flooded internally past both seals, or when repair parts are no longer made for it. E-One's older model names, Farrell 210, GP 210, GP 2010 and GP 1010, still turn up on nameplates in both counties, and E-One says its current core is backward compatible with those earlier stations, so an old E-One station is often a core swap rather than a dig.

Replace, too, when the utility rule says so. MAWSS Policy 2.19 requires a low flow, high head pump wherever a low-pressure system is served by a force main that may serve other developments, so a failed centrifugal grinder in that situation cannot be replaced like for like.

What the utility requires of the new pump

Every owner-responsible utility publishes a minimum, and the new pump has to meet it.

  • Gulf Shores UtilitiesAt least 2 horsepower, 10 gallons a minute at 90 feet of head, a 115 gallon tank, and a check valve plus anti-siphon device on the discharge. Any pump not already acceptable needs the General Manager's written authorization.
  • Riviera Utilities and the City of FoleyA 2 horsepower pump, 1-1/4 inch discharge, 230 volts, a fiberglass tank of at least 150 gallons, a generator receptacle with manual transfer breaker, and written approval from both Riviera and the City before connection.
  • North Baldwin Utilities and Loxley7 gallons a minute against 185 feet of head, a fiberglass well that stores about 70 gallons after the high level alarm, and a pump that can be removed without entering the well.
  • FairhopeThe pump and tank sized for the usage and the subdivision, a pressure test, and the city's Grinder Pump Installation form signed by the state licensed master plumber of record.
  • MAWSSA pump from the accepted list in its specifications, and a low flow, high head pump where a shared force main serves other developments.
  • DaphneA quick disconnect, a high level alarm with light and sound, and an external control panel; multi-home low-pressure systems need Daphne Utilities' approval.

Progressing cavity or centrifugal

Match the exact pump curve to the required flow and total dynamic head, then check that the utility accepts the model. For North Baldwin and Loxley, the published minimum is 7 gallons per minute at 185 feet. A pump that reaches 185 feet only at zero flow cannot meet that requirement. Confirm the replacement also matches the existing panel and electrical supply.

Swapping types is possible. E-One sells an Upgrade core for replacing centrifugal grinders, with a power board that mounts inside the existing panel. Keen's KPCG-C has its start components inside the pump so it can replace a competitor's pump without a new control panel.

Signs it is time

Any of these on a pump of some age usually means replacement, not another repair.

  • A motor that draws no current or trips the breaker again immediately after one reset.
  • Water past both seals, shown by a seal-leak light that has been ignored.
  • A progressing cavity pump that runs but cannot build pressure after the stator has already been replaced once.
  • Repeated repairs on a pump whose parts are getting hard to find.
  • A utility change that the existing pump type cannot meet.

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How the visit goes

  1. Step 1: Confirm the failure and the rule

    The pump is tested so replacement is not sold where a repair would do, and the utility's specification and approval steps are confirmed in writing.

  2. Step 2: Select the pump

    Matched to the published head and flow requirement, the tank you have, and the panel, with a type change only where the utility or the main calls for it.

  3. Step 3: Remove the old pump

    Lifted out by its cord or rail. The basin is cleaned, the check valve and discharge fitting inspected, and the tank checked for ground water entry.

  4. Step 4: Set and wire the new pump

    Pump, start components and level control installed to the manufacturer's instructions, on the dedicated breaker the manufacturer specifies.

  5. Step 5: Test a full cycle

    Fill, pump down, alarm test and running amps recorded. In Fairhope the pressure test and installation form are completed for the city.

Check who can do the work

Your sewer utility decides who can repair or replace the pump. Compare the rules by utility before scheduling the work.

Compare repair and replacement costs and options.

Questions people ask

Can you replace my grinder pump if I am on BCSS?

No. Starting January 1, 2026, homeowners and contractors are no longer allowed to install grinder pumps on the BCSS system; the pump is purchased from BCSS and installed by BCSS. We can still diagnose and repair a BCSS pump, and tell you when it has reached the point where BCSS should replace it.

Can you just replace the motor?

On an E-One the pump is a core that comes out as a unit, so a motor failure is a core swap. On Keen, Liberty, Zoeller and Myers pumps the motor is sealed inside the pump housing and the manufacturers do not allow field disassembly of it, so a failed motor means a new pump.

How do I replace a grinder pump myself?

On BCSS and in Orange Beach you may not, by rule. In Fairhope a master plumber must certify the installation, and Riviera, Foley and Gulf Shores require written approval or authorization. Beyond the rules, Keen and Liberty both void coverage for disassembly outside authorized service, and the panel wiring is live on one side even with the float off. This is not a weekend job.

Will I need a new control panel too?

Not always. A like-for-like replacement reuses a sound panel. A change of type may need the panel changed or adapted: E-One's Upgrade adds a power board inside the existing panel, and Keen's internal-start models need no panel at all. Keen, Myers and Hydromatic require their own panels and start components for their pumps.

Do I need written approval before the new pump goes in?

On Riviera and in Foley, yes, from both Riviera Utilities and the City of Foley, and connections made without it may have to be removed. On Gulf Shores Utilities any pump outside the Board's acceptable types needs the General Manager's written authorization. Elsewhere the requirement is the published specification and, in Fairhope, the signed form.

Sources and facts

  1. BCSS: from January 1, 2026, homeowners and contractors may no longer install grinder pumps on the BCSS system; all pumps are purchased from BCSS and installed by BCSS. BCSS, Grinder Pumps page, www.baldwincountysewer.com/grinder-pumps (read 2026-11-04)
  2. Orange Beach: any grinder pump installation shall be by the city only; maintenance is the owner's sole responsibility. City of Orange Beach Code of Ordinances Sec. 74-36 and 74-51, library.municode.com/… (read 2026-11-04)
  3. E-One former model names: DH071 was Farrell 210 / GP 210 / GP 2010; WH101 was GP1010 / GP 1000; the Extreme Series core is backward compatible with earlier generations. E/One DH071 product page, eone.com/…; eone.com/…; E/One Product Family brochure (LM000365 Rev D), eone.com/… p.2 (read 2026-11-04)
  4. MAWSS Policy 2.19: where a low-pressure system is served by a force main that may serve other developments, the pump shall be a low flow/high head pump from the accepted list. MAWSS Policy and Procedure Manual 2025, Policies 2.19 and 2.21, www.mawss.com/… (read 2026-11-04)
  5. GSU single-family: minimum 2 hp, 10 gpm at 90 ft TDH, 115 gallon tank, check valve and anti-siphon device; no other pump without the General Manager's written authorization. Gulf Shores Utilities, Grinder Pump Specifications, www.gulfshoresutilities.com/grinder-specs (read 2026-11-04)
  6. Riviera: fiberglass tank minimum 150 gal, 2 hp, 1-1/4 in discharge, 230 V, generator receptacle with manual transfer breaker, audible alarm; written approval by Riviera and the City of Foley; unapproved connections may be required to be removed. Riviera Utilities, Sewer Policy Handbook sections 7.3-7.4 (file dated 2024-05), www.rivierautilities.com/…; Riviera Utilities, Wastewater Specification 407 Low Pressure Sewer (2026-06), www.rivierautilities.com/… (read 2026-11-04)
  7. NBU and Loxley: 7 gpm at 185 ft; well storing about 70 gallons after high level alarm; pump removable without entering the well; 230 V single phase. North Baldwin Utilities, Specifications for Utility Infrastructure (effective 2021-09-17), www.northbaldwinutilities.com/…; City of Loxley, Water and Sewer Standard Specifications (March 2019, Sec. 2.5), www.cityofloxley.com/… (read 2026-11-04)
  8. Fairhope form: pressure test, proper elevation, tank and pump meeting specifications for usage and subdivision; master plumber of record signs the Grinder Pump Installation form. City of Fairhope, Grinder Pump Installation form memo, www.fairhopeal.gov/167/Forms-Ordinances; City of Fairhope, Permit Forms notice on grinder pump installations, www.fairhopeal.gov/167/Forms-Ordinances (read 2026-11-04)
  9. Daphne: quick disconnect, high level alarm with light and auditory device, external control panel; multi-grinder low pressure systems not acceptable unless approved by Daphne Utilities. Daphne Utilities Standard Specifications Division II Design Criteria, daphneutilities.com/… (read 2026-11-04)
  10. E-One: 15 gpm at 0 psig, 11 gpm at 40 psig (92 ft), 7.8 gpm at 80 psig (185 ft). E/One D-Series Semi-Positive Displacement Type Grinder Pump Stations specification, eone.com/images/files/d-series-spec.pdf p.3 section 1.05 (read 2026-11-04)
  11. Keen 1 hp progressing cavity: highest heads capability, flows up to 30 gpm. Liberty PRG: shut-off head 50 ft. Myers WG20: maximum head 105 ft. Liberty LSGX: shut-off head 185 ft. Keen Pump 2026 Catalog, keenpump.com/… p.180; Liberty Pumps PRG-Series Engineering Specifications, www.libertypumps.com/… p.7; Pentair Myers Owner's Manual 23833A744, 2 HP Submersible Sewage Grinder Pump WG20/WGX20, www.pentair.com/… p.8; Liberty Pumps LSG200-Series Engineering Specifications, www.libertypumps.com/… p.8 (read 2026-11-04)
  12. E-One Upgrade replaces centrifugal grinder pumps with a power board that installs inside the existing panel; Keen KPCG-C internal start kit replaces a competitor pump with no control panel required. E/One Upgrade (replacement for centrifugal grinder pumps) brochure, eone.com/… p.1; Keen Pump 2026 Catalog, keenpump.com/… p.61 (read 2026-11-04)
  13. Keen and Liberty: disassembly outside authorized service voids coverage; Keen, Myers and Hydromatic require their own panels and start components. Keen Pump O&M-KPCG, 1 HP Progressive Cavity Submersible Grinder Sewage Pumps, keenpump.com/… p.8; Liberty Pumps Installation Manual 5647000N, Omnivore 2 hp Grinder Pumps, www.libertypumps.com/… p.9; Keen Pump 2026 Catalog, keenpump.com/… p.1005; Pentair Myers Owner's Manual 23833A744, 2 HP Submersible Sewage Grinder Pump WG20/WGX20, www.pentair.com/… p.11; Pentair Hydromatic Owner's Manual HYD4530, HPG submersible grinder, www.pentair.com/… p.8 (read 2026-11-04)

Related

  1. Grinder Pump Not Working or Not Turning On: Causes
  2. How to Tell If Your Grinder Pump Is Bad: 7 Warning Signs
  3. How Long Do Grinder Pumps Last? What the Documents Say
  4. Progressive Cavity vs Centrifugal Grinder Pumps
  5. Grinder Pump Installation for New Homes and Additions
  6. Grinder Pump Repair in Baldwin & Mobile Counties, AL
  7. Who Owns Your Grinder Pump? Rules by Utility, Quoted
  8. BCSS

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