Segment information (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) segment	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)
Segment information
Number of reportable segments | segment			5
Revenue	$ 35,118,706	$ 33,390,557	$ 102,425,170	$ 105,559,105
Cost of revenue	22,172,797	21,755,899	64,340,989	68,426,210
Gross profit	12,945,909	11,634,658	38,084,181	37,132,895
General and administrative expenses	7,218,722	6,955,969	22,522,919	20,126,292
Gain on asset dispositions and impairments, net	34,095	201,582	94,547	198,452
Income (loss) from operations	5,761,282	4,880,271	15,655,809	17,205,055
Interest income	637,532	626,801	2,011,114	1,341,797
Interest expense	(901)	(32,801)	(3,614)	(99,740)
Income (loss) from affiliates	80,314	73,620	163,067	199,983
Other	94,282	56,420	149,733	118,610
Other income (loss), net	811,227	724,040	2,320,300	1,560,650
Income (loss) before income taxes	6,572,509	5,604,311	17,976,109	18,765,705
Provision for income taxes	827,009	490,209	1,832,933	2,175,838
Net income (loss) from continuing operations	5,745,500	5,114,102	16,143,176	16,589,867
Income from continuing operations attributable to non-controlling interests	175,936	156,784	470,741	448,724
Net income (loss) from continuing operations attributable to Consolidated Water Co. Ltd. stockholders	5,569,564	4,957,318	15,672,435	16,141,143
Net loss from discontinued operations	(37,220)	(502,854)	(252,857)	10,637,926
Net income attributable to Consolidated Water Co. Ltd. stockholders	5,532,344	4,454,464	15,419,578	26,779,069
Subcontractor and other project costs	7,932,062	6,978,959	20,742,437	24,301,678
Employee costs	6,022,492	5,982,216	18,231,861	17,988,226
Electricity	2,134,418	2,280,416	6,662,366	6,741,022
Fuel oil	1,921,144	2,125,905	5,583,464	6,446,878
Depreciation	1,502,469	1,416,861	4,378,495	4,228,960
Maintenance	732,654	944,385	2,685,993	2,773,946
Insurance	540,698	637,895	1,791,226	1,811,020
Retail license royalties	488,962	461,770	1,640,448	1,498,859
Other	897,898	927,492	2,624,699	2,635,621
Total cost of revenue	22,172,797	21,755,899	64,340,989	68,426,210
Employee costs	3,830,842	3,638,189	11,975,383	10,760,425
Professional fees	1,004,060	898,818	2,925,992	2,283,535
Insurance	514,561	558,598	1,584,121	1,578,875
Depreciation and amortization	216,480	216,373	650,817	656,935
Other	1,652,779	1,643,991	5,386,606	4,846,522
Total general and administrative expenses	7,218,722	6,955,969	22,522,919	20,126,292
Cash and cash equivalents	123,554,648		123,554,648		$ 99,350,121
Accounts receivable, net	28,996,834		28,996,834		39,580,982
Inventory, current and non-current	10,161,081		10,161,081		14,299,311
Contract assets	6,731,861		6,731,861		4,470,243
Property, plant and equipment, net	55,553,056		55,553,056		52,432,282
Construction in progress	5,210,534		5,210,534		5,143,717
Intangibles, net	2,204,536		2,204,536		2,696,815
Goodwill	12,861,404		12,861,404		12,861,404
Total segment assets	257,097,724		257,097,724		243,040,696
Assets of discontinued operations	136,928		136,928		272,485
Total assets	257,234,652		257,234,652		243,313,181
Retail
Segment information
Revenue	7,770,344	7,585,992	25,819,712	24,392,814
Cost of revenue	3,447,262	3,606,944	10,929,083	10,828,421
Gross profit	4,323,082	3,979,048	14,890,629	13,564,393
General and administrative expenses	952,102	787,403	2,726,531	2,335,807
Gain on asset dispositions and impairments, net	6,600	8,796	37,416	2,666
Income (loss) from operations	3,377,580	3,200,441	12,201,514	11,231,252
Interest income	45,787	48,945	123,702	156,362
Interest expense		(31,123)		(93,369)
Other	19,797	20,046	55,500	56,324
Other income (loss), net	65,584	37,868	179,202	119,317
Income (loss) before income taxes	3,443,164	3,238,309	12,380,716	11,350,569
Net income (loss) from continuing operations	3,443,164	3,238,309	12,380,716	11,350,569
Net income (loss) from continuing operations attributable to Consolidated Water Co. Ltd. stockholders	3,443,164	3,238,309	12,380,716	11,350,569
Employee costs	752,990	744,844	2,272,261	2,199,019
Electricity	1,068,659	1,191,856	3,398,245	3,652,656
Depreciation	626,525	611,573	1,861,706	1,828,300
Maintenance	144,331	287,891	685,176	672,865
Insurance	188,443	173,551	534,633	514,191
Retail license royalties	488,962	461,770	1,640,448	1,498,859
Other	177,352	135,459	536,614	462,531
Total cost of revenue	3,447,262	3,606,944	10,929,083	10,828,421
Employee costs	417,321	364,182	1,188,916	1,100,764
Professional fees	20,491	29,880	47,940	75,362
Insurance	104,394	124,299	313,242	310,836
Depreciation and amortization	10,460	9,595	31,308	27,437
Other	399,436	259,447	1,145,125	821,408
Total general and administrative expenses	952,102	787,403	2,726,531	2,335,807
Cash and cash equivalents	13,811,367		13,811,367		19,167,484
Accounts receivable, net	2,803,608		2,803,608		3,223,190
Inventory, current and non-current	3,509,239		3,509,239		3,437,771
Property, plant and equipment, net	32,242,134		32,242,134		31,689,586
Construction in progress	937,927		937,927		1,951,559
Goodwill	1,170,511		1,170,511		1,170,511
Total segment assets	56,837,257		56,837,257		62,994,011
Bulk
Segment information
Revenue	8,394,614	8,767,168	25,081,146	25,557,220
Cost of revenue	5,484,613	5,969,292	16,807,609	17,632,010
Gross profit	2,910,001	2,797,876	8,273,537	7,925,210
General and administrative expenses	267,292	381,230	1,008,123	1,088,639
Income (loss) from operations	2,642,709	2,416,646	7,265,414	6,836,571
Interest income	190,772	204,807	622,345	622,520
Other	3,651	36,379	25,526	48,807
Other income (loss), net	194,423	241,186	647,871	671,327
Income (loss) before income taxes	2,837,132	2,657,832	7,913,285	7,507,898
Net income (loss) from continuing operations	2,837,132	2,657,832	7,913,285	7,507,898
Income from continuing operations attributable to non-controlling interests	175,936	156,784	470,741	448,724
Net income (loss) from continuing operations attributable to Consolidated Water Co. Ltd. stockholders	2,661,196	2,501,048	7,442,544	7,059,174
Employee costs	510,286	495,717	1,571,674	1,538,671
Electricity	1,021,140	1,051,352	3,128,782	2,890,194
Fuel oil	1,921,144	2,125,905	5,583,464	6,446,878
Depreciation	709,512	675,404	2,091,347	2,005,305
Maintenance	407,705	463,373	1,446,647	1,528,524
Insurance	311,651	453,106	1,168,427	1,271,807
Other	603,175	704,435	1,817,268	1,950,631
Total cost of revenue	5,484,613	5,969,292	16,807,609	17,632,010
Employee costs	90,065	87,966	268,946	263,038
Professional fees	44,018	38,109	84,870	79,408
Insurance	97,796	97,179	291,623	282,481
Depreciation and amortization	4,761	6,260	15,179	19,737
Other	30,652	151,716	347,505	443,975
Total general and administrative expenses	267,292	381,230	1,008,123	1,088,639
Cash and cash equivalents	34,434,833		34,434,833		13,339,206
Accounts receivable, net	17,011,930		17,011,930		28,807,257
Inventory, current and non-current	5,104,409		5,104,409		4,865,117
Property, plant and equipment, net	16,992,299		16,992,299		18,093,155
Construction in progress	4,268,056		4,268,056		2,480,999
Goodwill	1,948,875		1,948,875		1,948,875
Total segment assets	81,343,368		81,343,368		71,743,161
Services
Segment information
Revenue	14,289,315	12,677,837	35,815,785	42,017,917
Cost of revenue	10,444,894	9,409,325	26,563,654	30,536,801
Gross profit	3,844,421	3,268,512	9,252,131	11,481,116
General and administrative expenses	1,955,186	1,469,845	6,143,566	4,264,323
Gain on asset dispositions and impairments, net	22,495		52,131	3,000
Income (loss) from operations	1,911,730	1,798,667	3,160,696	7,219,793
Interest income	175,407	139,822	580,061	329,649
Interest expense	(901)	(1,634)	(3,614)	(6,327)
Other	70,998	89	69,038	700
Other income (loss), net	245,504	138,277	645,485	324,022
Income (loss) before income taxes	2,157,234	1,936,944	3,806,181	7,543,815
Provision for income taxes	492,401	255,534	870,688	1,627,258
Net income (loss) from continuing operations	1,664,833	1,681,410	2,935,493	5,916,557
Net income (loss) from continuing operations attributable to Consolidated Water Co. Ltd. stockholders	1,664,833	1,681,410	2,935,493	5,916,557
Subcontractor and other project costs	5,973,677	4,875,016	13,064,351	16,889,209
Employee costs	4,103,148	4,232,268	12,533,716	12,716,853
Electricity	33,870	30,552	102,226	175,353
Depreciation	120,627	90,015	304,320	275,793
Maintenance	80,289	105,387	286,483	316,481
Insurance	40,604	11,238	88,166	25,022
Other	92,679	64,849	184,392	138,090
Total cost of revenue	10,444,894	9,409,325	26,563,654	30,536,801
Employee costs	1,171,174	852,656	3,463,647	2,426,917
Professional fees	175,517	141,749	691,610	390,744
Insurance	53,031	63,652	124,356	179,354
Depreciation and amortization	157,607	157,315	474,402	474,837
Other	397,857	254,473	1,389,551	792,471
Total general and administrative expenses	1,955,186	1,469,845	6,143,566	4,264,323
Cash and cash equivalents	42,225,132		42,225,132		34,181,902
Accounts receivable, net	7,154,835		7,154,835		6,593,276
Inventory, current and non-current					167,856
Contract assets	2,458,141		2,458,141		1,204,522
Property, plant and equipment, net	1,739,687		1,739,687		858,352
Intangibles, net	1,706,757		1,706,757		2,129,037
Goodwill	7,756,807		7,756,807		7,756,807
Total segment assets	66,447,339		66,447,339		56,792,772
Manufacturing
Segment information
Revenue	4,664,433	4,359,560	15,708,527	13,591,154
Cost of revenue	2,796,028	2,770,338	10,040,643	9,428,978
Gross profit	1,868,405	1,589,222	5,667,884	4,162,176
General and administrative expenses	459,038	745,418	1,653,668	1,930,706
Gain on asset dispositions and impairments, net	5,000		5,000
Income (loss) from operations	1,414,367	843,804	4,019,216	2,231,470
Interest income	1	1	3	3
Income (loss) from affiliates	(935)		(35,198)
Other	90	90	254	11,866
Other income (loss), net	(844)	91	(34,941)	11,869
Income (loss) before income taxes	1,413,523	843,895	3,984,275	2,243,339
Provision for income taxes	334,608	234,675	962,245	548,580
Net income (loss) from continuing operations	1,078,915	609,220	3,022,030	1,694,759
Net income (loss) from continuing operations attributable to Consolidated Water Co. Ltd. stockholders	1,078,915	609,220	3,022,030	1,694,759
Subcontractor and other project costs	1,958,385	2,103,943	7,678,086	7,412,469
Employee costs	656,068	509,387	1,854,210	1,533,683
Electricity	10,749	6,656	33,113	22,819
Depreciation	45,805	39,869	121,122	119,562
Maintenance	100,329	87,734	267,687	256,076
Other	24,692	22,749	86,425	84,369
Total cost of revenue	2,796,028	2,770,338	10,040,643	9,428,978
Employee costs	311,471	347,001	950,038	959,747
Professional fees	17,940	63,887	109,654	99,249
Insurance	43,304	52,459	202,864	166,878
Depreciation and amortization	27,048	25,906	79,286	77,768
Other	59,275	256,165	311,826	627,064
Total general and administrative expenses	459,038	745,418	1,653,668	1,930,706
Cash and cash equivalents	6,327,391		6,327,391		4,768,376
Accounts receivable, net	2,015,722		2,015,722		946,846
Inventory, current and non-current	1,547,433		1,547,433		5,828,567
Contract assets	4,273,720		4,273,720		3,265,721
Property, plant and equipment, net	4,375,782		4,375,782		1,601,501
Construction in progress	4,551		4,551		711,159
Intangibles, net	497,779		497,779		567,778
Goodwill	1,985,211		1,985,211		1,985,211
Total segment assets	21,528,556		21,528,556		20,095,648
Corporate
Segment information
General and administrative expenses	3,585,104	3,572,073	10,991,031	10,506,817
Gain on asset dispositions and impairments, net		192,786		192,786
Income (loss) from operations	(3,585,104)	(3,379,287)	(10,991,031)	(10,314,031)
Interest income	225,565	233,226	685,003	233,263
Interest expense		(44)		(44)
Income (loss) from affiliates	81,249	73,620	198,265	199,983
Other	(254)	(184)	(585)	913
Other income (loss), net	306,560	306,618	882,683	434,115
Income (loss) before income taxes	(3,278,544)	(3,072,669)	(10,108,348)	(9,879,916)
Net income (loss) from continuing operations	(3,278,544)	(3,072,669)	(10,108,348)	(9,879,916)
Net income (loss) from continuing operations attributable to Consolidated Water Co. Ltd. stockholders	(3,278,544)	(3,072,669)	(10,108,348)	(9,879,916)
Employee costs	1,840,811	1,986,384	6,103,836	6,009,959
Professional fees	746,094	625,193	1,991,918	1,638,772
Insurance	216,036	221,009	652,036	639,326
Depreciation and amortization	16,604	17,297	50,642	57,156
Other	765,559	722,190	2,192,599	2,161,604
Total general and administrative expenses	3,585,104	$ 3,572,073	10,991,031	$ 10,506,817
Cash and cash equivalents	26,755,925		26,755,925		27,893,153
Accounts receivable, net	10,739		10,739		10,413
Property, plant and equipment, net	203,154		203,154		189,688
Total segment assets	$ 30,941,204		$ 30,941,204		$ 31,415,104