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SEPTIC Contractor Insurance

South Dakota

Septic Contractor Insurance in South Dakota

South Dakota licenses the septic installer by name — and the counter moved in 2021, which is why the first answer most searches return is four years out of date.

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A vacuum tank truck on a gravel drive with its red suction hose on the ground — septic contractor insurance in South Dakota
Nate Jones, CPCU

Nate Jones, CPCU

Founder, Septic Contractor Insurance

Last reviewed

South Dakota licenses individual and small on-site wastewater system installers. The credential is issued by the state — by the State Plumbing Commission, which examines for it — and the section that names this trade is SDCL 36-25-17.3. In the same breath, because these two get heard together and only one of them is true: the state does not review plans for a conventional individual on-site system. ARSD 74:53:01:03 lets that system be designed and installed without project plans being submitted to the state for review and approval. A licensed person, and no state sign-off on the design.

The reason the first answer a search returns is likely to be wrong is that the counter moved. In 2021 the legislature transferred licensure of the people who alter, repair, construct or install these systems to the Plumbing Commission, and repealed the environmental agency’s authority to certify them. What was repealed was the authority, not the duty — and the administrative-rule chapter written under that repealed authority is still published, still in the present tense, still describing the old counter. Three official South Dakota publications still send an installer there. The commission is the counter now.

There is a limit on this page and it is better stated than written around. South Dakota’s licensing chapter was not read whole for this record: eight of its sections were retrieved, and the state’s own served page for the operative section points at neighboring sections that were not, so the chapter runs past what was read. That matters for exactly one question, and it is a question of scope. Nothing that was read takes any class of septic operator outside this license; nothing that was read confirms that the chapter exempts nobody. A second, smaller question rides along: the older rule bounds a small on-site system by a head count and a daily volume, while the statute’s own definition at SDCL 36-25-1(2) carries no size band at all. So this page says what the statute says and stops. It does not tell you that every septic operator in South Dakota must hold this license, and it does not tell you that any of them need not — that is a question about your scope of work, and it is one to put to the commission, or to us, before you price the job.

The permit that authorizes a particular job is frequently a county instrument, and it is easy to blur with the state credential. Minnehaha County’s on-site wastewater ordinance requires a county permit, issued by the county planning official, before a system may be installed or operated in the county’s unincorporated area — and the same ordinance restates the state credential rather than creating one of its own. That is the shape: a state license that follows the person, a county permit that follows the lot. It is named to the one county read for this page and it is not a count of how many South Dakota counties permit.

In South Dakota workers compensation is an election rather than a duty, and the election has a price. No South Dakota law requires a private employer to carry it; under SDCL 62-5-7 an employer that leaves compensation unsecured is treated as having elected out of the workers compensation title, and SDCL 62-3-11 is what that election costs. The part a septic business needs is the consequence for the people it works for: because the state compels nobody, a general contractor here has no state agency confirming that its septic sub is insured, while SDCL 62-3-10 makes that contractor answerable for the sub’s injured employee anyway. A certificate of insurance does work in South Dakota that a licensing statute does elsewhere.

None of that is an insurance requirement: the state conditions this license on an application, a fee and an examination, and on nothing about insurance. The credential question and the coverage question are different questions, and the sections below set out each one with the authority it rests on, so you can check it rather than take our word for it.

What South Dakota requires of a septic business

Installing

South Dakota licenses the septic installer at the STATE level, by name, and the license is issued by the State Plumbing Commission. SDCL 36-25-17.3: “An individual and small on-site wastewater system may only be altered, repaired, constructed, or installed by an individual with an individual and small on-site wastewater system installer license.” The credential is named for this trade in SDCL 36-25-19, which lists “Individual and small on-site wastewater system installer” among the licenses the commission must set fees for, and the same section says the commission “shall license a person who satisfactorily passes an examination showing fitness to practice the person’s trade”.

Authority SDCL 36-25-17.3; SDCL 36-25-19; SDCL 36-25-14; SDCL 36-25-1(2); SDCL 36-25-30; SDCL 36-25-17; SL 2021, ch 181 §§ 1 to 5; ARSD 74:53:02:02; ARSD 74:53:02:04; ARSD 74:53:02:05; ARSD 74:53:01:03; ARSD 74:53:01:37; SDCL 34A-2-108 (repealed). — read the source

Pumping and hauling

SOUTH DAKOTA ISSUES NO SEPTAGE HAULER PERMIT, LICENSE OR REGISTRATION. The state administers the domestic septage program — it took delegation of it — but it administers it as a set of standards and records that bind the disposal, not as a credential that binds the operator. The rule that carries the duty is ARSD 74:53:01:41, which adopts the federal domestic septage requirements by reference, with a second route that “Final disposal of contents may be made into a public system if specific permission has been obtained for the disposal from local governmental officials and the public system has the equipment and facilities to provide at least secondary treatment to the contents.”

Three things reach a South Dakota septage hauler and none of them is a credential. First, the federal standards adopted by reference at ARSD 74:53:01:41 — pathogen reduction, vector attraction reduction, screening, an agronomic application rate and site restrictions. Second, recordkeeping, which the environmental agency states in its own guidance: “Records of domestic septage disposal must be maintained that show that the domestic septage hauler is meeting all of these requirements.” Third, inspection: the same guidance says the department will conduct routine inspections and may call for the records, and it records the delegation in one sentence — “In 2001, South Dakota was delegated to administer and enforce the septage program.” On top of those, the general water-pollution prohibition at SDCL 34A-2-21 reaches anyone who places wastes where they are likely to pollute.

read the source

Inspecting and evaluating

SOUTH DAKOTA CERTIFIES NO PRIVATE SEPTIC INSPECTOR OR EVALUATOR. Inspection of an on-site wastewater system is a PUBLIC function in this state: ARSD 74:53:01:42 says “Inspection of the installation, equipment, and operation of an on-site wastewater system may be made at any time by the secretary or the secretary’s authorized representative.” and, on the plumbing side, ARSD 20:53:02:22 says “An inspector employed by the commission shall carry out inspections of plumbing throughout the state.”

Three things reach the inspection function in South Dakota. First, the state environmental agency’s own inspection power over any on-site system at any time, at ARSD 74:53:01:42. Second, the State Plumbing Commission’s employed inspectors, whose power to inspect plumbing throughout the state comes from ARSD 20:53:02:22 and whose employment comes from SDCL 36-25-10 — “The commission may employ inspectors and assistants as it deems necessary to administer and enforce the provisions of this chapter.” Third, and this is the one that creates real exposure for a contractor, the concealment rule at ARSD 20:53:02:22.01: “No permittee may conceal any drainage, waste, or vent system until the final inspection has been completed and the inspector has approved that portion of the system” — and the same rule says backfilling is concealment, and that a system concealed before inspection must be unconcealed.

read the source

Workers compensation

South Dakota does not require a private employer to carry workers compensation insurance; an employer that does not secure the payment of compensation under SDCL 62-5-1 to 62-5-5 is deemed by SDCL 62-5-7 to have elected not to operate under the workers compensation title, and the price of that election is that the injured employee may sue at law or may claim under the title with the measure of benefits enlarged by SDCL 62-3-11.

Authority SDCL 62-5-7; SDCL 62-3-3; SDCL 62-3-5; SDCL 62-5-1; SDCL 62-5-2; SDCL 62-5-3; SDCL 62-5-5; SDCL 62-5-6; SDCL 62-3-2; SDCL 62-3-10; SDCL 62-3-11; SDCL 62-3-15; SDCL 62-3-16; SDCL 62-3-4. — read the source

What South Dakota requires of a septic business — installing, hauling, inspecting and workers’ comp optional — and what each requirement leaves to the insurance program.

A panel for South Dakota in rows. Each row sets one thing the state requires beside the exposure that requirement leaves open and the coverage line that answers it. Installing: The State Plumbing Commission licenses the septic installer by name. It leaves open a failed install or drainfield, damage to the customer’s property, which General Liability and Pollution Liability answer. Pumping and hauling: No state septage hauling permit. It leaves open a spill or release in transit, the truck at fault, which Commercial Auto and Pollution Liability answer. Inspecting and evaluating: No statewide inspector or evaluator certification; it varies locally. It leaves open a missed defect in an inspection or design, which Professional Liability answers. Workers compensation: Coverage is optional; the exposure is not. It leaves open an injured employee in the trench or on the truck, which Workers Compensation answers. Notes: A license, permit or bond is not a policy — a bond secures the public body that requires it, not the customer. The conclusion reads: The credential is not the coverage — the program is. No figures are shown.

Who administers it in South Dakota

Where we write in South Dakota

Sioux Falls · Minnehaha County

A contractor working the ring carries two compliance surfaces on one job — a state license that follows the person and a county permit that follows the lot — and a lapse in either is a stop on the work rather than a defect in it.

Rapid City · Pennington County

Work driven by a closing is work under a deadline, with a written observation on file and a buyer relying on it — the setting where a completed-operations argument and a professional-opinion argument arrive on the same file.

Harrisburg · Lincoln County

A contractor here bids work that may be off the table by the time it is scheduled, and replacement work sits beside abandonment work — two different scopes on the same street.

Spearfish · Lawrence County

Rock turns an excavation quote into a discovery risk, and the design that clears the rule on paper is the one most likely to change in the hole — which is where change orders, delay and damage to the adjoining lot all start.

Sturgis · Meade County

A system sized for intermittent assembly is a system that spends most of the year idle and a few weeks at capacity, and a failure under peak load is a public-health event on somebody else’s premises rather than a private inconvenience.

Watertown · Codington County

On a constrained shoreline lot the compliant layout is often the only layout, so a sited-by-inches installation leaves no room for a field correction — and the party who measured is the party who is asked about it later.

Yankton · Yankton County

Abandonment is the job with the least visible product and the most buried liability — an open void, a tank that was pumped but not removed, and a completed-operations tail that begins the day the hole is filled.

The work we write

Coverage lines

From the blog

Neighboring states

South Dakota questions we get asked

Does South Dakota license septic installers?

Yes. South Dakota licenses the individual and small on-site wastewater system installer, and SDCL 36-25-17.3 is the section that names the trade. The license is issued by the state: the State Plumbing Commission examines for it. One thing this page does not tell you is the exact scope of the licensed class — the licensing chapter was not read whole, so we do not say that every operator must hold it, and we do not say that any operator need not.

I found a repeal. Did South Dakota get rid of its installer credential?

No. What the legislature repealed in 2021 was the environmental agency’s authority to certify installers, not the requirement itself — the credential moved to the State Plumbing Commission in the same act. A reader who finds the repeal and stops will conclude the credential is gone, and that is the single most common way this state gets written up wrongly.

Does the state have to approve my plans before I install a system?

Not for a conventional individual on-site system. ARSD 74:53:01:03 lets that system be designed and installed without project plans being submitted to the state for review and approval. The permit for the job, where there is one, comes from a tier below the state — in Minnehaha County it is a county permit issued by the county planning official, and that is one county rather than a count of how many counties permit.

Does South Dakota license septage haulers or pumpers?

No. South Dakota issues no state septage hauler permit, license or registration. That is not the same as saying septage is unregulated: the state took delegation of the septage program and runs it through standards and records rather than through a credential, adopting the federal disposal requirements by reference at ARSD 74:53:01:41 and requiring disposal records the environmental agency may call for. Where a county keeps its own certified pumper list, that is a county fact — Pennington County publishes one.

Does South Dakota certify septic inspectors?

No. Inspection here is a public function: ARSD 74:53:01:42 lets the state environmental agency inspect an on-site system at any time, and the State Plumbing Commission employs its own inspectors for plumbing work under ARSD 20:53:02:22. Watch the word certified in South Dakota material — it names an installer in the state rule, an installer in a county ordinance, and a liquid waste pumper in one county’s transfer regime. It never names a state-certified inspector.

Do I need workers compensation for a small crew in South Dakota?

No South Dakota law requires a private employer to carry it. Under SDCL 62-5-7 an employer that leaves compensation unsecured is treated as having elected out of the workers compensation title, and that election has a real price: the injured employee keeps the choice of suing at law or claiming under the title, with benefits enlarged by SDCL 62-3-11. It is worth asking about before a claim rather than after one.

This page reports South Dakota law as our own state research file records it. It is general information rather than legal advice, and it is not an opinion on what any policy covers — the wording you hold controls that, and carriers do not all write it the same way.

Talk it through with someone who reads the forms

Tell us what you install, what you pump and who is on the crew, and we will read the forms against the work.

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