Passage Data · Cited limits by place · Use it from your AI

Ammonia limits and guidelines in Nunavut (CA-NU)

10 numeric limits and guidelines for ammonia held for Nunavut and the place above it, from 4 instruments, each cited to its instrument, edition, section or page and quoted text. The register was built from 273 instruments. Everything held for Nunavut

Ask your AI assistant and get the cite back: add Passage Data to Claude, ChatGPT, Cursor, VS Code or Microsoft 365 Copilot. Free, no key.

The address: https://passage-data.com/mcp

In a chat app

In a coding tool

Then ask it, for example: “What are the ammonia limits in Nunavut? Cite each one.”

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

The one instrument we hold for Nunavut (CA-NU) has no row for ammonia. The rows below are from the place above it, which we search too.

Canada (CA): 10 rows

ParameterValueUnitStatisticGovernsApplies whenCite
Ammonia (total)Tableµg/Lsurface water · guidelinereceiving water: freshwater
long-term exposure: CCME's long-term guideline
CCME Canadian Water Quality Guidelines for the Protection of Aquatic Life
Ammonia (un-ionized)19µg/Lsurface water · guidelinereceiving water: freshwater
long-term exposure: CCME's long-term guideline
CCME Canadian Water Quality Guidelines for the Protection of Aquatic Life
Un-ionized ammonia0.50 mg/L expressed as nitrogen (N)mg/Lmonthly averageeffluent · limitcites: MDMER
route: direct
a metal mine (or, since June 1, 2018, a diamond mine) whose final discharge points deposit more than 50 m3 of effluent per day (s. 2(1))
a mine to which the Regulations apply for the first time on or after June 1, 2021, or a recognized closed mine that returns to commercial operation on or after that day (s. 4(1)(a)(i))
Metal and Diamond Mining Effluent Regulations (SOR/2002-222)
Schedule 4, Table 1 — Column 2: maximum authorized monthly mean concentration
6 Zinc 0.40 mg/L 0.60 mg/L 0.80 mg/L 7 Suspended Solids 15.00 mg/L 22.50 mg/L 30.00 mg/L 8 Radium 226 0.37 Bq/L 0.74 Bq/L 1.11 Bq/L 9 Un-ionized ammonia 0.50 mg/L expressed as nitrogen (N) Not applicable 1.00 mg/L expressed as nitrogen (N)
Un-ionized ammonia1.00 mg/L expressed as nitrogen (N)mg/Linstantaneouseffluent · limitcites: MDMER
route: direct
a metal mine (or, since June 1, 2018, a diamond mine) whose final discharge points deposit more than 50 m3 of effluent per day (s. 2(1))
a mine to which the Regulations apply for the first time on or after June 1, 2021, or a recognized closed mine that returns to commercial operation on or after that day (s. 4(1)(a)(i))
Metal and Diamond Mining Effluent Regulations (SOR/2002-222)
Schedule 4, Table 1 — Column 4: maximum authorized concentration in a grab sample
6 Zinc 0.40 mg/L 0.60 mg/L 0.80 mg/L 7 Suspended Solids 15.00 mg/L 22.50 mg/L 30.00 mg/L 8 Radium 226 0.37 Bq/L 0.74 Bq/L 1.11 Bq/L 9 Un-ionized ammonia 0.50 mg/L expressed as nitrogen (N) Not applicable 1.00 mg/L expressed as nitrogen (N)
Un-ionized ammonia0.50 mg/L expressed as nitrogen (N)mg/Lmonthly averageeffluent · limitcites: MDMER
route: direct
a metal mine (or, since June 1, 2018, a diamond mine) whose final discharge points deposit more than 50 m3 of effluent per day (s. 2(1))
any other mine (s. 4(1)(a)(ii))
Metal and Diamond Mining Effluent Regulations (SOR/2002-222)
Schedule 4, Table 2 — Column 2: maximum authorized monthly mean concentration
6 Zinc 0.50 mg/L 0.75 mg/L 1.00 mg/L 7 Suspended Solids 15.00 mg/L 22.50 mg/L 30.00 mg/L 8 Radium 226 0.37 Bq/L 0.74 Bq/L 1.11 Bq/L 9 Un-ionized ammonia 0.50 mg/L expressed as nitrogen (N) Not applicable 1.00 mg/L expressed as nitrogen (N)
Un-ionized ammonia1.00 mg/L expressed as nitrogen (N)mg/Linstantaneouseffluent · limitcites: MDMER
route: direct
a metal mine (or, since June 1, 2018, a diamond mine) whose final discharge points deposit more than 50 m3 of effluent per day (s. 2(1))
any other mine (s. 4(1)(a)(ii))
Metal and Diamond Mining Effluent Regulations (SOR/2002-222)
Schedule 4, Table 2 — Column 4: maximum authorized concentration in a grab sample
6 Zinc 0.50 mg/L 0.75 mg/L 1.00 mg/L 7 Suspended Solids 15.00 mg/L 22.50 mg/L 30.00 mg/L 8 Radium 226 0.37 Bq/L 0.74 Bq/L 1.11 Bq/L 9 Un-ionized ammonia 0.50 mg/L expressed as nitrogen (N) Not applicable 1.00 mg/L expressed as nitrogen (N)
Ammonia Nitrogen3.6lb per 1,000 barrels of crude oil (× the refinery's reference crude rate)monthly averageeffluent · limitcites: PRLER
route: direct
Petroleum Refinery Liquid Effluent Regulations (C.R.C., c. 828) — Schedule I authorized deposits
Schedule I, Column II: monthly amount (the month's mean of daily authorized deposits, s. 7)
4 Ammonia Nitrogen 3.6 5.7 7.2
Ammonia Nitrogen5.7lb per 1,000 barrels of crude oil (× the refinery's reference crude rate)effluent · limitcites: PRLER
route: direct
the actual deposit may exceed it on no more than one day in each month (s. 5(1)(b))
Petroleum Refinery Liquid Effluent Regulations (C.R.C., c. 828) — Schedule I authorized deposits
Schedule I, Column III: one day amount — not exceeded on more than one day in a month (s. 8(1))
4 Ammonia Nitrogen 3.6 5.7 7.2
Ammonia Nitrogen7.2lb per 1,000 barrels of crude oil (× the refinery's reference crude rate)daily maximumeffluent · limitcites: PRLER
route: direct
Petroleum Refinery Liquid Effluent Regulations (C.R.C., c. 828) — Schedule I authorized deposits
Schedule I, Column IV: maximum daily amount (s. 8(2))
4 Ammonia Nitrogen 3.6 5.7 7.2
Un-ionized ammonialess than 1.25 mg/L, expressed as nitrogen (N), at 15˚C ± 1˚Cmg/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))
Wastewater Systems Effluent Regulations (SOR/2012-139) — s. 6 effluent quality
s. 6(1)
the maximum concentration of un-ionized ammonia in the effluent is less than 1.25 mg/L, expressed as nitrogen (N), at 15˚C ± 1˚C

Not held here: a discharge permit's own limits, and any rule for ammonia 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 Nunavut (CA-NU) and the place above it, Canada (CA): 13 instruments, for every parameter name matching “ammonia”: ammonia, ammonia n total, ammonia nitrogen, un ionized ammonia, ammonia as nitrogen, ammonia and ammonium, ammonia n un ionized, azote ammoniacal total, ammonia un ionized as n, azote ammoniacal total n nh4 et n nh3, ammoniaque solution aqueuse d ammoniac, oxirane reaction products with ammonia distn residues, and 17 more (in the JSON).

  1. 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 — 4 rows here
  2. 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 — 3 rows here
  3. 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
  4. 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
9 instruments searched with no row for it
  1. 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
  2. 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
  3. 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
  4. Health Canada — Guidelines for Canadian Drinking Water Quality, Summary Tables 1-3 (microbiological, chemical and physical, radiological) · Health Canada, with the Federal-Provincial-Territorial Committee on Drinking Water · page modified 2026-01-21 (dcterms.modified; issued 2014-10-22): Tables 1-3 as the browser pane rendered them on 2026-10-15 · source sha256 9451ad8bfa566c0625ae4fcb362272cbb0e20040c548540f362488118c300b89 — 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. 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
  7. Nunavut Waters Regulations (SOR/2013-69) — s. 5(4) deposit of waste without a licence; no effluent limit printed for a licensed deposit · Government of Canada for Nunavut (Nunavut Waters and Nunavut Surface Rights Tribunal Act; the Nunavut Water Board) · Justice Laws Website, current to 2026-09-21 · source sha256 61b6aff27ec4ebf727f55f6b3facfd015548fe78f49c5878bfce78ddd22cd697 — no row here
  8. 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
  9. 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

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.