SC Wastewater Treatment Operator Clock Hour Requirements
Wastewater Treatment Operators in SC must complete 12 hours every 24 months under the South Carolina Department of Labor, Licensing and Regulation (LLR) - South Carolina Environmental Certification Board.
Category requirements
| Category | Minimum hours | Maximum counted |
|---|---|---|
| Approved wastewater topics | 12 | No cap |
Do your hours meet the requirement?
Enter what you've completed this cycle:
When is it due?
Every date that hangs off your renewal — hours deadline, application deadline, and the point of no return.
- Certificate expiresJune 30, 2027in 260 days
You cannot practice past this date until renewed.
- All hours dueJune 30, 2027in 260 days
The late window below moves the application only — it does NOT move this date.
- Last day to renew at allJune 29, 2028in 625 days
Cycle and deadlines
Every operator license renews annually, on or before June 30, for $30 per license.
| When you renew | Fee |
|---|---|
| On or before June 30 | $30 per license |
| Postmarked on or after July 1 | $230 per license — $200 late/reinstatement fee plus the $30 renewal fee. R.51-4(B) calls the $200 a reinstatement fee; the Board's form calls it a late fee. |
Late window: 365 days after expiration.
You may NOT practice while the certificate is lapsed. The renewal form states no practice is allowed after June 30 until a valid renewal form has been completed and accepted. Practicing while lapsed may be fined up to $500 (R.51-4(C)) and is unlicensed practice under S.C. Code Ann. 40-23-30 and 40-23-250.
Carryover: None — Zero. Hours must be obtained between the window's start and end dates (currently July 1, 2025 - June 30, 2027), so hours earned in a prior window fall outside the current one.
Source: S.C. Code Regs. R.51-4(A); 2026-2027 Operator Annual Renewal Application; S.C. Code Regs. R.51-4(E); https://llr.sc.gov/env/ce.aspx; https://llr.sc.gov/env/renewals.aspx
Holding more than one certificate
Not confirmed: how hours work across multiple licenses. R.51-4(E) says each applicant renewing 'any license' must show 12 hours, which reads per license. The Board's CE page says every operator must obtain 'a total of' 12 hours, which reads per person. A licensee holding both Biological (EBL) and Physical/Chemical (EPC) wastewater licenses, or a wastewater plus a water license, owes either 12 or 24 and we cannot tell which.
Who can answer: SC Environmental Certification Board, Contact.Environmental@llr.sc.gov, (803) 896-4430; Johnnie Rose (Board Executive), Cleve Langdale (Board Staff)
Not confirmed: whether one course can count toward more than one certificate. If the requirement turns out to be per license, nothing published states whether a single approved course may be credited toward more than one license held by the same operator.
Who can answer: SC Environmental Certification Board, Contact.Environmental@llr.sc.gov, (803) 896-4430
Renewal FEES are unambiguously per license ($30 each, renewed one at a time in the online system). Only the CE hours are ambiguous.
Source: S.C. Code Regs. R.51-4(E); https://llr.sc.gov/env/ce.aspx
Will this course count?
The state approves topics, not providers or courses — check the ABC Continuing Education Course Topic Guidelines for Wastewater Treatment Operators. Roughly 90 named topics in six groups (General; Safety; O&M Equipment; WW Treatment Process/Quality Control; WW Collection Process; Administration/Management), each marked approved or not approved.
Topics that earn ZERO hours here
- Excavations, Trenching/Shoring/Competent Person
- Traffic Control/Work Zone Safety
- Backhoe Operator
- Cleaning/Flushing & Pigging
- Manhole Rehabilitation
- Service Lines & Connections
- Trenchless Technologies for Pipe Rehabilitation
- Stormwater Separation
- Booster Pumping Stations
- Leak Detection
- Cathodic Protection
- Geographic Info Systems (GIS)
- Construction Inspection/Documentation/Design Build
- Design Manual Development
- Right-of-Way Management/Maintenance
- Private Property Issues/Service Laterals
- Training/Teaching Skills
Activities that never count
- Business and marketing training
- Membership in a professional society
- Reading professional publications
- Regular employment
- Self-study
- Personal self-improvement
- Operating trade show displays
- Repetitive (refresher) attendance or teaching of the same course
- First aid, CPR, or defensive driving
For a course to be valid
- The instructor or presenter must be able to provide an agenda or outline of the training content.
- Participants must be able to interact with the instructor or presenter through discussion, telephone, or email.
- Participation must be verifiable with documentation (certificate of completion and/or a signed sign-in sheet).
Credit for things that aren’t courses
| Activity | Clock Hours awarded |
|---|---|
| Professional Wastewater Operators Operations Challenge - participant — Fills the entire two-year requirement in one event. Granted on receipt of a certificate of completion. | 12 |
| Operations Challenge judge or coordinator | 3 |
These awards are agency guidance rather than rule text — confirm before relying on them.
What South Carolina calls these hours
South Carolina counts Clock Hours (clock hours of continuing education).
South Carolina counts plain clock hours. No CEU, TU or point conversion exists.
Does South Carolina track your hours for you?
The strongest no-ledger posture of any verified state. The 2026-2027 renewal form instructs licensees not to submit any CE documentation and states the Board will not maintain copies. The form carries no CE checkbox, hours field, or attestation line. Compliance is enforced only by random audit after the CE period closes.
Whatever the state holds, the duty to keep your own records stays on you.
Source: 2026-2027 Operator Annual Renewal Application (v1.1, 01/20/2026); https://llr.sc.gov/env/ce.aspx
Records and audits
Not confirmed: how long you must keep your records. No retention period is imposed on licensees anywhere in the rule or the Board's guidance - only the three-year duty on providers. Since audits happen an unspecified time after the period closes, an operator has no published answer to 'how long do I keep this?' Ask how long after a CE period a licensee can be selected.
Who can answer: SC Environmental Certification Board, Contact.Environmental@llr.sc.gov, (803) 896-4430
If you’re audited
After the renewal period closes; selected licensees are notified by the Board to submit proof.
- Name, date, duration of training, and total number of clock hours
- Name of instructor
- For multiple-hour courses, each course broken out with its corresponding hours
- Verification of attendance
- Outline or agenda of course/event content
- Completed CE Log Sheet
What happens if you miss it
Short on hours
Not confirmed: what happens in this case. Nothing published states what happens to an operator found short on hours in a random audit. Failing to comply with a Board regulation is a disciplinary ground under 40-23-110(A)(16), but no specific CE penalty, cure window or fee tier is published.
Who can answer: SC Environmental Certification Board, Contact.Environmental@llr.sc.gov, (803) 896-4430
Missed the renewal deadline
| What happened | What follows |
|---|---|
| Renewal not postmarked by June 30 | a late fee — $200 late/reinstatement fee plus the $30 renewal fee. No practice permitted until a valid renewal has been completed and accepted. |
| Practicing while the license is lapsed | a fine — Up to $500 under R.51-4(C); also unlicensed practice under S.C. Code Ann. 40-23-30 and 40-23-250. |
| Within 365 days of expiration | reinstatement, with the CE still owed — Reinstatement on payment of the reinstatement fee and current renewal fee, with CE demonstrated for the prior period or after reinstatement provided no licensed activity occurs until complete. |
| More than 365 days after expiration | full requalification — including retaking and passing the exam — The license is considered lapsed and declared nonrenewable. Regaining the credential means initial licensure under R.51-3, which for any graded license requires passing the examination again. |
Not confirmed: whether hours can be completed after renewing on time. R.51-4(E) offers, as an alternative in the ordinary renewal sentence, demonstrating CE compliance AFTER the department renews the license provided the licensee does not engage in licensed activity until the hours are complete - but it cites 40-23-230(C)(3), which sits inside the statute's REINSTATEMENT subsection for already-lapsed licenses. Whether an on-time renewer who is short on hours may use this path is unresolved.
Who can answer: SC Environmental Certification Board, Contact.Environmental@llr.sc.gov, (803) 896-4430
Renewing without the hours
In lieu of continuing education, pass the appropriate examination for your license grade.
Cost: $136. Operator exam fee paid to PSI, not the Board (https://llr.sc.gov/env/faq.aspx). SC uses the ABC/WPI standardized exams.
Not confirmed: how this path is evidenced at audit. Nothing published states how an operator who took the exam instead of CE demonstrates that if selected for a CE audit.
Who can answer: SC Environmental Certification Board, Contact.Environmental@llr.sc.gov, (803) 896-4430
Source: S.C. Code Regs. R.51-4(E)
An operator at least 62 years old with 30 or more years of licensed experience may request a waiver of the CE requirement.
Source: S.C. Code Regs. R.51-4(F)
Repeating a course
The Board's CE page states credit will not be given for 'Repetitive (refresher) attendance or teaching of the same course.'
Not confirmed: how far the repeat bar reaches. The exclusion does not say whether the bar runs within a single two-year window or across windows, and does not say how employer-mandated annual refresher training is treated.
Who can answer: SC Environmental Certification Board, Contact.Environmental@llr.sc.gov, (803) 896-4430
Source: https://llr.sc.gov/env/ce.aspx
What class does your plant require?
Required operator-in-charge grade is set by the plant's DHEC treatment group: Group IB/I-P/C requires at least D, IIB/II-P/C at least C, IIIB/III-P/C at least B, IVB/IV-P/C at least A. R.51-3(H) and (I). No separate published table URL - the mapping lives in the regulation.
Also hold a drinking water license?
Same board, same rule, same 12 hours, same $30 annual fee for Water Distribution System Operator, Water Treatment Plant Operator and Bottled Water licenses. The one divergence: the Board publishes separate ABC approved-topic tables per discipline, so the whitelist a water licensee works from is a different document.
Common questions
- How many Clock Hours do I need to renew a wastewater treatment operator certificate in South Carolina?
- 12 Clock Hours every 24 months.
- Do I need more Clock Hours for a higher grade?
- No — South Carolina requires the same Clock Hours at every grade.
- Can I carry extra hours over to the next cycle?
- No — hours cannot be carried forward. Zero. Hours must be obtained between the window's start and end dates (currently July 1, 2025 - June 30, 2027), so hours earned in a prior window fall outside the current one.
- Does South Carolina keep a record of my hours for me?
- No — the state holds no record of your hours; your own file is the only record that exists. The state explicitly tells licensees not to send in CE documentation, and enforces the requirement by audit instead.
- What happens if I renew late?
- You have 365 days after expiration to file. The late window moves the application only — it does not extend the deadline for your hours. You cannot practice while the certificate is lapsed.
- Can I renew without completing the hours?
- In lieu of continuing education, pass the appropriate examination for your license grade. An operator at least 62 years old with 30 or more years of licensed experience may request a waiver of the CE requirement.
Related guides
Moving to another state? License reciprocity, state by state
Other states where missing the deadline means retaking the exam: California, Delaware, Florida, Idaho, Iowa, Missouri, Tennessee
Other states that keep no record of your hours at all: Idaho
Hold a reciprocal certificate across the border? Bordering states: Georgia, North Carolina
Stop tracking this in a folder
Save your hours, store every certificate, and get renewal reminders before the deadline — free for your first license.
Start your free ledgerWaterCEU is a record-keeping tool, not compliance or legal advice. Requirements change; always verify current rules with your state board before relying on any total shown here. Source: South Carolina Department of Labor, Licensing and Regulation (LLR) - South Carolina Environmental Certification Board (last verified 2026-09-03).
A note on citations: R.51-4(A) says licenses renew 'annually or biennially,' which invites a misreading. Operator licenses are annual - confirmed by the current form's title and single-year fee. Do not re-derive the cycle from the rule text alone.