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Chlorine limits and guidelines in Nova Scotia (CA-NS)

3 numeric limits and guidelines for chlorine held for Nova Scotia and the place above it, from 2 instruments, each cited to its instrument, edition, section or page and quoted text. The register was built from 247 instruments. Everything held for Nova Scotia

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For programs: this page as JSON at /api/v1/limits?parameter=chlorine&place=CA-NS; the same at https://passage-data.com/mcp, a remote MCP server (tool find_limits). Every tool · llms.txt · OpenAPI

None of the 2 instruments we hold for Nova Scotia (CA-NS) has a row for chlorine. The rows below are from the place above it, which we search too.

Canada (CA): 3 rows

ParameterValueUnitStatisticGovernsApplies whenCite
Chlorine, Reactive Species0.5µg/Lsurface water · guidelinereceiving water: freshwater
long-term exposure: CCME's long-term guideline		CCME Canadian Water Quality Guidelines for the Protection of Aquatic Life
Chlorine, Reactive Species0.5µg/Lsurface water · guidelinereceiving water: marine
long-term exposure: CCME's long-term guideline		CCME Canadian Water Quality Guidelines for the Protection of Aquatic Life
Total residual chlorine0.02 mg/Lmg/Leffluent · limitstream: sanitary
route: direct
zone: not CA-NT, CA-NU, CA.qc_nl_north_of_54
a wastewater system designed to collect, or collecting in a calendar year, an average daily volume of 100 m3 or more of influent (s. 2(1)); not one on an industrial site whose influent is less than 50% blackwater and greywater (s. 2(4))
if chlorine, or one of its compounds, was used in the treatment of wastewater		Wastewater Systems Effluent Regulations (SOR/2012-139) — s. 6 effluent quality
s. 6(1)
(c) the average concentration of total residual chlorine in the effluent did not exceed 0.02 mg/L, if chlorine, or one of its compounds, was used in the treatment of wastewater.

Not held here: a discharge permit's own limits, and any rule for chlorine outside the 13 instruments we hold for this place and the places above it. A row missing here is missing from our sources, not from the law.

Free check: send your permit or your lab results, and we check each number against these rows, every verdict cited to its page, by email within 5 business days. Or send the link to a rule we do not hold: we read it and cite it by page.

What was searched

Every instrument we hold for Nova Scotia (CA-NS) and the place above it, Canada (CA): 13 instruments, for every parameter name matching “chlorine”: chlorine, chlorine demand, chlorine dioxide, chlorine trifluoride, free available chlorine, total chlorine residual, chlorine reactive species.

  1. CCME Canadian Water Quality Guidelines for the Protection of Aquatic Life — freshwater and marine, short and long term · Canadian Council of Ministers of the Environment (CCME) · Summary Table (as served 2026-09-24; each guideline carries its own year) · source sha256 f484a5f2a2dfcb5a4257763c853fc8dc810788cec54c75355b30ec194e2f7499 — 2 rows here
  2. Wastewater Systems Effluent Regulations (SOR/2012-139) — s. 6 effluent quality · Government of Canada (Fisheries Act; Environment and Climate Change Canada) · Justice Laws Website, current to 2026-09-21, last amended 2026-06-04 · source sha256 0a60e10f783f7aca672792303dffcca1525133eb34eb32711543cb3cf4bbb955 — 1 row here
11 instruments searched with no row for it
  1. Atlantic Canada Wastewater Guidelines Manual for Collection, Treatment, and Disposal (2006) — Appendix E, Table E.2 effluent requirements · Environment Canada and the environment departments of Nova Scotia, New Brunswick and Prince Edward Island (Atlantic Canada Wastewater Guidelines Manual, 2006) · 2006 (Environment Canada with the Atlantic provinces; served by Nova Scotia Environment, fetched 2026-10-09) · source sha256 38c877cb9d12385eb9191e26183add52723563f4c80813ccc16f97f731cb6b10 — no row here
  2. Canadian Ambient Air Quality Standards (CAAQS), environmental quality objectives under CEPA 1999 ss. 54(1) and 55(1): Objectives for Ambient PM2.5 and Ozone, Annex paras 1-4 and footnotes 1-2, Canada Gazette Part I, Vol. 147, No. 21, May 25, 2013 · Canada Gazette, Part I, Volume 147, Number 21: GOVERNMENT NOTICES May 25, 2013 · source — no row here
  3. CCME — Soil Quality Guidelines for the Protection of Environmental and Human Health (Summary Table, as served 2026-09-24) · Canadian Council of Ministers of the Environment (CCME) · Summary Table · source sha256 f484a5f2a2dfcb5a4257763c853fc8dc810788cec54c75355b30ec194e2f7499 — no row here
  4. Fisheries Act (R.S.C. 1985, c. F-14), s. 36(3) — no deposit of a deleterious substance in water frequented by fish; no value printed · Government of Canada (Fisheries Act; Environment and Climate Change Canada administers s. 36) · Justice Laws Website, current to 2026-09-21, last amended 2024-11-27 · source sha256 db95b0a149728b0f0b1e1b1314d87ecdf46a91e1edfec4a7006fc3cbe0080bd6 — no row here
  5. Health Canada, Objective for Canadian drinking water quality — per- and polyfluoroalkyl substances (published 2024-08-09) · Health Canada · Objective value · source sha256 32a42a0d382cdd90729dd9750f47889782bd00d4af8dfd34f2b9aaf6f2678c6c — no row here
  6. Metal and Diamond Mining Effluent Regulations (SOR/2002-222) — Schedule 4, maximum authorized concentrations · Government of Canada (Fisheries Act; Environment and Climate Change Canada) · Justice Laws Website, current to 2026-09-21 · source sha256 2c6e0151d3776378f73df4868ca98052882ee81faf9738bbeba6f5d544b648fe — no row here
  7. Meat and Poultry Products Plant Liquid Effluent Regulations (C.R.C., c. 818) — Schedule I authorized deposits · Government of Canada (Fisheries Act; Environment and Climate Change Canada) · Justice Laws Website, current to 2026-09-21 · source sha256 c60e2a2dfa9a10c2ddd314b391bf66215ad599732f38b4c5a15fe793d8c28841 — no row here
  8. Nova Scotia Tier I Environmental Quality Standards (EQS) for Surface Water and Groundwater Discharging to Surface Water — Table 3, surface water columns · Nova Scotia Environment and Climate Change (Contaminated Sites Regulations, Tier I EQS) · Revision September 30, 2021 (linked from the Contaminated Sites protocols page, fetched 2026-10-09) · source sha256 cff66750079c1998ad86f5ad70089705f7824849c0b5a016eb5253447301a875 — no row here
  9. Potato Processing Plant Liquid Effluent Regulations (C.R.C., c. 829) — Schedule I authorized deposits · Government of Canada (Fisheries Act; Environment and Climate Change Canada) · Justice Laws Website, current to 2026-09-21 · source sha256 691ca3953a6dd6ae66b4c72737944caa68ed76710447df642a16716dd25027a3 — no row here
  10. Pulp and Paper Effluent Regulations (SOR/92-269) — s. 14 maximum BOD and suspended solids · Government of Canada (Fisheries Act; Environment and Climate Change Canada) · Justice Laws Website, current to 2026-09-21 · source sha256 cc8432e6a4dd1834ff4dd43d5b5fb98f09b1f7af7952e36154febcc649504eb4 — no row here
  11. Petroleum Refinery Liquid Effluent Regulations (C.R.C., c. 828) — Schedule I authorized deposits · Government of Canada (Fisheries Act; Environment and Climate Change Canada) · Justice Laws Website, current to 2026-09-21 · source sha256 30e528bdc3a3546afb3defff4dae9b1dacb362e192680e127bd788d7f97c8ce8 — no row here

Read from public law and public agency files. A row missing here is missing from our sources, not from the law of the place. Check the cited source before relying on a value.